TABLE OF CONTENTS
Overview of the Collection
History
Scope and Content
Restrictions
Index Terms
Related Material
Administrative Information
Detailed Description
Series I: Bound volumes, undated, 1842-1962
Series II: Records, undated, 1878-1939
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Finding aid prepared by Archives & Special Collections Staff
Archives & Special Collections at the Thomas J. Dodd Research Center 405 Babbidge Road, Unit 1205 Storrs, Connecticut 06269-1205
© 2005 University of Connecticut
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| Repository: |
Archives & Special Collections at the Thomas J. Dodd Research Center. |
| Creator: |
Malleable Iron Fittings Company. |
| Title: |
Malleable Iron Fittings Company Records. |
| Dates: |
undated, 1842-1962. |
| Quantity: |
83 linear feet. |
| Identification: |
MSS19820004 |
| Language: |
English. |
| Abstract: |
Branford, Connecticut, metal foundry, founded by Joseph Nason in 1841 as the Joseph Nason Company. Name changed to Walworth
and Nason Company of Boston, Massachusetts, to manufacture equipment for and install steam heating, and then to Malleable
Iron Fittings Company in 1864, which produced malleable iron castings. Collection consists of administrative records, including
production ledgers, melting reports, inventory and shipment books, order books, salesbooks, correspondence, and payroll books.
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The Malleable Iron Fittings Company (MIF) was originally incorporated in 1864. Its history, however, can be traced back to 1841 when twenty-six year old Joseph Nason, known as “the father of steam heating,” established the Joseph Nason Company of New York to manufacture and sell pipe. Nason was patent holder of the globe and angle valve, the steam trap, cast and malleable taper
joint pipe fittings, and the “radiator,” which name he created.
In 1842, Nason and his brother-in-law, James J. Walworth of Boston, founded the Walworth and Nason Company of Boston (later known as the Walworth Company) to manufacture equipment for and install steam heating, then a novelty. Both men, however, wished to concentrate on a
proposed line of malleable iron fittings, a difficult and expensive process. In 1864, Nason and Walworth took over the Totoket Company of Branford, Connecticut, with this objective in mind. (Totoket was the original name of the city of Branford). The Totoket Company was originally incorporated in 1854 by Elizur Rogers and Benjamin Hadley for the manufacture of hardware and other goods from wrought, cast, and malleable iron, scrap, and other metals. The Totoket
plant was ideally situated between New York and Boston on a busy waterfront and next to a newly built railroad.
The new company was organized as the Malleable Iron Fittings Company. James C. Walworth became president of the company. Joseph Nason returned to New York to run Joseph Nason and Company, although he continued to cooperate closely with Walworth. The early MIF was essentially a subsidiary of the Walworth Company. It produced malleable iron castings that were shipped to the Walworth Company for finishing. The Walworth Company continued
as a separate company while MIF grew and earned a reputation of its own.
Elizur Rogers of the Totoket Company remained with MIF. Two Danish immigrants, Emil C. Hammer and Thorvald F. Hammer, also joined the company. Emil C. Hammer was an experienced business administrator and the treasurer of Walworth Company. He became secretary and treasurer of MIF. Since James Walworth and Joseph Nason were more concerned with the interests of their own companies, day-to-day management of the MIF company was left in the hands of Emil C. Hammer. Thorvald F. Hammer was a highly skilled technician in foundry operations. It was descendents of Thorvald F. Hammer who would become most identified with the future growth and management of the company. Indeed, as late as 1962, the company
was managed, headed and owned by one or several members of the Hammer, Walworth, or the Nason families.
The company, however, got off to a slow start. At first it was able to produce barely a half ton a day. But as the steam heating
industry grew, so did MIF. The company soon earned a good reputation, and Joseph Nason was even called to Washington, D.C., and awarded a contract to heat the Capitol based on his innovative plans. The original founders were soon followed by
the next generation. Upon the death of James C. Walworth, his son, Arthur C. Walworth, succeeded to the office of president. Arthur C. Walworth, however, never assumed an active participation in the company. Real management of the company fell upon the shoulders of
Alfred E. Hammer, son of Thorvald Hammer. For many years Alfred E. Hammer was treasurer and manager, and in 1921, upon the death of Arthur C. Walworth, he became president. Under his guidance, the company made significant technical contributions to the iron industry as a
whole, especially in the creation of superior castings. Soon the company was producing pipe fittings for buildings, industry
and oil fields, marine and highway hardware, oil burners, and later pole hardware for the growing electric power industry.
Malleable iron, however, is limited in its applications to fittings and small castings, and in 1906, in order to meet the
growing demand for larger and stronger castings, the company began manufacturing steel castings by the “converter” process.
Such castings were in high demand by the government during World War I and the company expanded and renovated its facilities
in order to meet it. Electric furnaces and additional annealing equipment were added, and by World War II the company's steel
production was about equal to its malleable iron.
During the Depression, Thorvald F. Hammer II, grandson of Thorvald F. Hammer, acceded to the office of president upon the death of his father, Alfred E. Hammer, in 1935. Thorvald F. Hammer II quickly created a new Board of Directors, and embarked on a program of mechanization that put the plant on a mass production
basis. Thorvald F. Hammer II also improved the working conditions of his labor force by installing modern showers, locker rooms, and dust elimination
facilities for the personal comfort of his workers.
In 1915, MIF employed one thousand people and had an annual production capacity of 23,500 tons. It was the largest industry in Branford, Connecticut, and the largest malleable foundry in New England. Unlike other companies, which dominated small towns, the owners of MIF, however, exerted little control over the town of Branford. In 1935, in the midst of Depression, the company's labor force
shrank to 500 employees. The company also experienced its first strike in 1935 when the CIO tried to organize the plant. The
strike was successful and the plant was unionized. MIF eventually recovered from the Depression, and employment at the company hit a peak of 1,200 persons just before World War
II. Continued plant mechanization after the war again contracted the work force to about 700 employees.
By the late 1950s, however, MIF profits began dwindling as it met with stiff competition from larger competitors who operated on a national basis. In 1962,
Thorvald F. Hammer II resigned the presidency when a group of businessmen headed by Robert E. S. Thompson acquired control of the company. Thorvald F. Hammer II became Chairman of the Board. This development marked the first time MIF had not been headed by a member of the Hammer family.
In May 1963, MIF acquired the Bigelow Company of New Haven, a producer of steam boilers. MIF now embarked on a new modernization program of both its own facilities and
those of the Bigelow Company. In July 1964, MIF continued its expansion when it consolidated with the Detroit Brass and Malleable Company. The pipe-fittings operations of Detroit Brass were moved to Branford, and this division was renamed the MIF-Detroit Pipe
Fittings Division. The company's name was also changed to MIF Industries, Inc. The consolidation was expected to double the output of pipe-fittings thereby increasing overall sales volume and earnings
potential.
These increased earnings were in turn to enable the company to continue its modernization program.
These hopes were not realized. The company's profits continued to decline, and in February 1969, MIF Industries was sold to Waltham Industries, a Delaware-based corporation, for $4.5 million. MIF Industries now joined a long list of other New Haven area businesses that sought relief from their economic woes through mergers with
national companies. The company now became a subsidiary of Waltham Industries, and some of the metals productions division of Waltham Industries was moved to Branford. The move was expected to enable MIF to expand and modernize more rapidly. As many as 200 additional jobs were also expected to be created. Thorvald F. Hammer II retired as Chairman of the Board of Directors after forty-eight years of active service to the company. Robert E.S. Thompson resigned as president and became Chairman of the Board of Directors. Charles R. Schubert, a Vice President of Waltham Industries, was named president and chief executive officer.
The company, however, did not prosper. In 1969, losses totaled $3 million before taxes on sales of 11 million. Because of
these losses, Waltham Industries ended manufacturing at MIF Industries and converted it into a distributor of its own products. By 1971, the payroll had been reduced to fifty employees, down
from 750 employees in 1969. In 1971, Waltham Industries began selling off or removing most of the assets of MIF Industries. A court injunction obtained by the town of Branford halted this process because the company owed the town $300, 000 in
back taxes. The 117 year manufacturing era of MIF was essentially at an end.
Return to the Table of Contents
The collection contains bound volumes of financial records arranged sequentially as well as administrative and financial records,
regulations, blueprints, reports, patents and correspondence.
Return to the Table of Contents
Restrictions on Access
There are no access restrictions on this collection.
Restrictions on Use
Permission to publish from these Papers must be obtained in writing from both the University of Connecticut Libraries and
the owner(s) of the copyright.
Return to the Table of Contents
Archives & Special Collections has a substantial collection of materials pertaining to Connecticut businesses. See especially,
Thorvald Hammer Papers. For detailed information on these collections please contact the curator or ask at the reference desk.
Return to the Table of Contents
This record series is indexed under the following controlled access subject terms.
Family Names:
Hammer, Emil.
Hammer, Thorvald F.
Nason, Joseph.
Rogers, Elizur.
Walworth, James J.
Places:
Branford (Conn.)
Connecticut--Business, industries and trades--Iron.
Connecticut--Business, industries and trades--Steam-boilers.
Connecticut--Industries.
Subjects:
Iron industry and trade--Connecticut--history--20th century.
Steam-boilers.
Document Types:
Administrative Records
Blueprints.
Correspondence.
Financial Records.
Manuscripts.
Notebooks.
Personal Papers.
Publications.
Occupations:
Industrialists.
Return to the Table of Contents
The collection was donated to the New Haven Colony Historical Society by Irving Rohinksy in 1981.
[Item description, #:#], Malleable Iron Fittings Company Records. Archives & Special Collections at the Thomas J. Dodd Research Center, University of Connecticut Libraries.
The collection was transferred to Archives & Special Collections in August 1982 by the New Haven Colony Historical Society.
Return to the Table of Contents
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| Series I: Bound volumes, undated, 1842-1962 |
| Vol. 1 |
[Shipment] Telegrams Sent, 1898-1900 |
| Vol. 2 |
Warbonds, 1917-1919 |
| Vol. 3 |
Warbonds, 1919-1920 |
| Vol. 4 |
Warbonds Ledger, 1918-1919 |
| Vol. 5 |
Medical Department Daily Log, 1959 January - August |
| Vol. 6 |
Medical Department Daily Log, 1959 September - 1960 March |
| Vol. 7 |
Medical Department Daily Log, 1960 March - November |
| Vol. 8 |
Medical Department Daily Log, 1960 November - 1962 February |
| Vol. 9 |
Production Ledger, 1883 |
| Vol. 10 |
Production Ledger, 1885 |
| Vol. 11 |
Production Ledger, 1886-1887 |
| Vol. 12 |
Production Ledger, 1888 |
| Vol. 13 |
Production Quality Control, 1890 August - October |
| Vol. 14 |
Production Quality Control, 1924-1929 |
| Vol. 15 |
Production Book: Fittings, 1929-1936 |
| Vol. 16 |
[Production:] Pattern Changes, 1898 |
| Vol. 17 |
Production Cost Book, 1912-1918 |
| Vol. 18 |
Production Book, 1912-1923 |
| Vol. 19 |
Production Record Book, 1915-1919 |
| Vol. 20 |
Cost of Shifting and Pouring, 1923-1931 |
| Vol. 21 |
Daily Malleable Melting Report, 1912-1915 |
| Vol. 22 |
Daily Malleable Melting Report, 1916-1918 |
| Vol. 23 |
Daily Malleable Melting Report, 1919-1920 |
| Vol. 24 |
Purchases, 1902 January - 1904 December |
| Vol. 25 |
Purchases, 1905 January - 1907 October |
| Vol. 26 |
Purchases, 1908 January - [1910] |
| Vol. 27 |
Purchases, 1910 January - 1912 May |
| Vol. 28 |
Iron Stock Account, 1930-1945 |
| Vol. 29 |
Inventory, 1888 |
| Vol. 30 |
Freight Receipt Book, 1898 |
| Vol. 31 |
Freight Receipt Book, 1901 |
| Vol. 32 |
Cars Received and Sent, 1899-1902 |
| Vol. 33 |
Cars Received and Sent, 1902-1904 |
| Vol. 34 |
Shipment Book, 1884 July-1885 August |
| Vol. 35 |
Customer Index Book, undated |
| Vol. 36 |
Customer Index Ledger, 1902-1905 |
| Vol. 37 |
Customer Index Ledger, 1916-1917 |
| Vol. 38 |
Customer Index Ledger, 1917-1919 |
| Vol. 39 |
Orders, 1867-1872 |
| Vol. 40 |
Order Book, 1855-1865 |
| Vol. 41 |
Order Book, 1866-1878 |
| Vol. 42 |
Order Book, 1880-1881 |
| Vol. 43 |
Order Book, 1883-1884 |
| Vol. 44 |
Orders Book, 1884-1891 |
| Vol. 45 |
Hammers Co. Order Book, 1900-1916 |
| Vol. 46 |
Fittings Orders, 1906-1907 |
| Vol. 47 |
Boston Agency: Fittings Orders, 1906-1907 |
| Vol. 48 |
London: Fitting Orders, 1906 January - 1907 October |
| Vol. 49 |
New York Agency: Fitting Orders, 1905-1907 |
| Vol. 50 |
New York Agency: Fitting Orders, 1907 March - October |
| Vol. 51 |
Sales Ledger, 1866 December - 1879 June |
| Vol. 52 |
Sales Ledger, 1877 December - 1900 January |
| Vol. 53 |
Sales Balance Ledger, 1842-1892 |
| Vol. 54 |
Salesbook: U. S. W. Co., 1896-1901 |
| Vol. 55 |
I. Nathan Son: Sales Journal, 1866-1874 |
| Vol. 56 |
J. Nason & Co.: Sales Journal, 1865-1868 |
| Vol. 57 |
Salesbook, 1903 August - 1907 April |
| Vol. 58 |
Salesbook L, 1907 May - 1910 June |
| Vol. 59 |
Salesbook M, 1910 February - 1912 March |
| Vol. 59a |
Salesbook N, 1912 April - 1914 March |
| Vol. 60 |
Salesbook, 1914 April - 1916 June |
| Vol. 61 |
Sales “P”, 1916 July - 1918 September |
| Vol. 62 |
Salesbook Q, 1918 October - 1929 March |
| Vol. 63 |
Salesbook R, 1929 April - 1935 March |
| Vol. 64 |
Salesbook S, 1935 April - 1962 October |
| Vol. 65 |
Sales Ledger, 1902 March - 1905 May |
| Vol. 66 |
Sales Ledger, 1905 June - 1906 |
| Vol. 67 |
Sales Ledger, 1907 January - 1908 May |
| Vol. 68 |
Sales Ledger, 1909 June - 1910 |
| Vol. 69 |
Sales Ledger, 1911 January - 1914 May |
| Vol. 70 |
Sales Ledger, 1911 January - 1914 (?) |
| Vol. 71 |
Sales Ledger, 1914 July - 1917 |
| Vol. 72 |
Sales Ledger, 1917 January - 1919 |
| Vol. 73 |
Payroll Book, 1864 -1872 |
| Vol. 74 |
Payroll Book, 1880-1883 |
| Vol. 75 |
Payroll Book, 1883-1887 |
| Vol. 76 |
Payroll Book, 1887-1889 |
| Vol. 77 |
Payroll Book, 1889-1891 |
| Vol. 78 |
Payroll Book, 1891-1893 |
| Vol. 79 |
Payroll Book, 1893-1894 |
| Vol. 80 |
Payroll Book, 1894-1895 |
| Vol. 81 |
Payroll Book, 1896-1898 |
| Vol. 82 |
Payroll Book, 1898-1899 |
| Vol. 83 |
Payroll M, 1900 January - 1902 July |
| Vol. 84 |
Payroll Book, 1902-1904 |
| Vol. 85 |
Payroll Book, 1904-1906 |
| Vol. 86 |
Payroll Book, 1906-1908 |
| Vol. 87 |
Payroll, 1908-1909 |
| Vol. 88 |
Payroll, 1909-1910 |
| Vol. 89 |
Payroll, 1912-1913 |
| Vol. 90 |
Payroll, 1913-1914 |
| Vol. 91 |
Payroll, 1914-1916 |
| Vol. 92 |
Payroll, 1916-1917 |
| Vol. 93 |
Payroll, 1935-1937 |
| Vol. 94 |
Payroll book: Inspection Department, 1896-1897 |
| Vol. 95 |
Payroll book: Inspection Department, 1897-1898 |
| Vol. 96 |
Payroll book: Inspection Department, 1898-1899 |
| Vol. 97 |
Payroll book: Inspection Department, 1899-1900 |
| Vol. 98 |
Payroll book: Inspection Department, 1900 |
| Vol. 99 |
Payroll book: Inspection Department, 1900-1901 |
| Vol. 100 |
Payroll book: Inspection Department, 1901 |
| Vol. 101 |
Payroll book: Inspection Department, 1902 |
| Vol. 102 |
Payroll book: Inspection Department, 1903 |
| Vol. 103 |
Payroll book: Inspection Room, 1902-1903 |
| Vol. 104 |
Payroll book: Annealing Department, 1899-1900 |
| Vol. 105 |
Payroll book: Annealing Department, 1900-1901 |
| Vol. 106 |
Payroll book: Annealing Department, 1901-1902 |
| Vol. 107 |
Payroll book: Annealing Department, 1902 |
| Vol. 108 |
Payroll book: Annealing Department, 1902-1903 |
| Vol. 109 |
Payroll book: Annealing Department, 1903-1904 |
| Vol. 110 |
Payroll book: Galvanizing Department, 1900-1901 |
| Vol. 111 |
Payroll book: Galvanizing Department, 1901-1902 |
| Vol. 112 |
Payroll book: Casting and Shipping Department, 1902-1903 |
| Vol. 113 |
Payroll book: Foundry, 1901-1902 |
| Vol. 114 |
Payroll book: Supplementary Office and Foremen, 1899-1901 |
| Vol. 115 |
Payroll book: Front Shop, 1878-1879 |
| Vol. 116 |
Unidentified Payroll Book, 1903 October - 1904 November |
| Vol. 117 |
Unidentified Payroll Book, 1906 September - 1906 December |
| Vol. 118 |
Unidentified Payroll Book, 1906-1907 |
| Vol. 119 |
Labor Cost Book: Annealing Department, 1923-1934 |
| Vol. 120 |
Company Payrollbook, 1900-1901 |
| Vol. 121 |
Timebook [payroll], 1855 May - 1864 July |
| Vol. 122 |
Payroll Analysis 2, 1915-1920 |
| Vol. 123 |
Recapitalization Payroll, 1912-1913 |
| Vol. 124 |
Warranty & Quit Claims: Deeds, 1923-1936 |
| Vol. 125 |
Cash Ledger, 1872 July - 1879 December |
| Vol. 126 |
Cash Ledger, 1880 January - 1888 August |
| Vol. 127 |
Cash Ledger, 1888 September - 1894 June |
| Vol. 128 |
Cash Ledger, 1894 June - 1898 October |
| Vol. 129 |
Cash Ledger, 1898 November - 1901 September |
| Vol. 130 |
Cash Ledger, 1901 October - 1902 May |
| Vol. 131 |
Cash Ledger, 1902 January - 1904 April |
| Vol. 132 |
Cash Ledger, 1904 May - 1906 July |
| Vol. 133 |
Cash Ledger, 1906 August - 1908 October |
| Vol. 134 |
Cash Ledger, 1908 November - 1912 November |
| Vol. 135 |
Cash Ledger, 1912 December - 1918 October |
| Vol. 136 |
Cash Ledger, 1918 November - 1923 April |
| Vol. 137 |
Cash Ledger, 1923 May - 1927 May |
| Vol. 138 |
Cash Ledger, 1927 June - 1931 June |
| Vol. 139 |
Cash Ledger, 1931 July - 1935 June |
| Vol. 140 |
Cash Ledger, 1939 January - 1940 November |
| Vol. 141 |
Cash Book, 1867 October - 1876 June |
| Vol. 142 |
Cash Book, 1872-1874 |
| Vol. 143 |
Cash Book, 1886 March - 1903 April |
| Vol. 144 |
Cash Book, 1903 May - 1913 December |
| Vol. 145 |
Cashbook, 1908-1919 |
| Vol. 146 |
Cashbook, 1914 January - 1917 December |
| Vol. 147 |
Cashbook, 1919-1928 |
| Vol. 148 |
Cashbook, 1939-1957 |
| Vol. 149 |
Cash Advanced to Workmen, 1873-1877 |
| Vol. 150 |
Bankbook: Second National Bank of New England w/ E. C. Hammer, 1875-1880 |
| Vol. 151 |
Bankbook: Second National Bank of New Haven: an account w/ E. C. Hammer, Treasurer, 1880-1883 |
| Vol. 152 |
Bankbook: Second National Bank of New Haven, CT, 1885-1887 |
| Vol. 153 |
Bankbook, 1890 October - 1891 December |
| Vol. 154 |
Bankbook: First National Bank, 1892-1893 |
| Vol. 155 |
Bank Deposits, 1906-1921 |
| Vol. 156 |
Petty Cash Book, 1897-1901 |
| Vol. 157 |
Check Register, 1897-1898 |
| Vol. 158 |
Invoices Credit, 1916-1917 |
| Vol. 159 |
Cashbook: Blackstone Memorial Library, 1915 January - 1933 September |
| Vol. 160 |
I. Nathan Son & Co. Daybook, 1876 April - 1882 February |
| Vol. 161 |
Hammer & Co. Daybook, 1882 March - 1884 November |
| Vol. 162 |
Daybook, 1854 March - 1863 June |
| Vol. 163 |
Daybook, 1864 April - 1871 June |
| Vol. 164 |
Daybook, 1872 July - 1878 February |
| Vol. 165 |
Daybook, 1878 March - 1883 April |
| Vol. 166 |
Daybook, 1883 May - 1884 February |
| Vol. 167 |
Daybook, 1884 March - 1889 September |
| Vol. 168 |
Daybook, 1889 October - 1891 June |
| Vol. 169 |
Daybook, 1899 May - 1901 July |
| Vol. 170 |
Daybook, 1901 August - 1903 July |
| Vol. 171 |
Journal, 1902 June - 1903 November |
| Vol. 172 |
Journal, 1903 December - 1906 October |
| Vol. 173 |
Journal, 1906 November - 1910 May |
| Vol. 174 |
Journal, 1910 January - 1913 September |
| Vol. 175 |
Journal, 1913 October - 1917 March |
| Vol. 176 |
Journal, 1917 April - 1920 May |
| Vol. 177 |
Journal, 1920 January - 1923 April |
| Vol. 178 |
Journal, 1923 May - 1925 December |
| Vol. 179 |
Journal, 1926 January - 1928 May |
| Vol. 180 |
Journal, 1928 June - 1931 February |
| Vol. 181 |
Journal, 1931 March - 1933 November |
| Vol. 182 |
Journal, 1933 December - 1936July |
| Vol. 183 |
Journal, 1936 August - 1938 September |
| Vol. 184 |
Journal, 1938 October - 1940 June |
| Vol. 185 |
Ledger A, 1864-1872 |
| Vol. 186 |
Ledger B, 1873-1879 |
| Vol. 187 |
Ledger D, 1884-1891 |
| Vol. 188 |
Ledger E, 1882-1896 |
| Vol. 189 |
Ledger, 1896-1899 |
| Vol. 190 |
Ledger, 1900-1902 |
| Vol. 191 |
General Ledger, undated |
| Vol. 192 |
Hammer & Co. Ledger, 1909-1913 |
| Vol. 193 |
Hammer & Co. Ledger, 1909-1917 |
| Vol. 194 |
Ledger, 1855-1862 |
| Vol. 195 |
Ledger, 1891-1901 |
| Vol. 196 |
Ledger, 1895-1908 |
| Vol. 197 |
Executive's Notebook, 1906 |
| Vol. 198 |
Administrative Charges Ledger, 1929-1935 |
| Vol. 199 |
Tax Ledger, 1911-1917 |
| Vol. 200 |
Trial Balance Ledger, 1921-1932 |
| Vol. 201 |
Letterbook # 1, 1864 April - 1867 April |
| Vol. 202 |
Letterbook # 2, 1867 April - 1871 March |
| Vol. 203 |
Letterbook # 3, 1871 March - 1874 October |
| Vol. 204 |
Letterbook # 4, 1874 October - 1877 December |
| Vol. 205 |
Letterbook # 5, 1877 December - 1880 June |
| Vol. 206 |
Letterbook # 6, 1880 July - 1882 November |
| Vol. 207 |
Letterbook # 7, 1882 November - 1884 July |
| Vol. 208 |
Letterbook # 8, 1884 July - 1885 June |
| Vol. 209 |
Letterbook # 10, 1886 March - October |
| Vol. 210 |
Letterbook # 11, 1886 October - 1887 April |
| Vol. 211 |
Letterbook # 12, 1887 April - November |
| Vol. 212 |
Letterbook # 13, 1887 November - 1888 July |
| Vol. 213 |
Letterbook # 15, 1889 August - 1890 May |
| Vol. 214 |
Letterbook # 16, 1890 May - November |
| Vol. 215 |
Letterbook # 17, 1890 November - 1891 May |
| Vol. 216 |
Letterbook # 18, 1891 May - December |
| Vol. 217 |
Letterbook # 19, 1891 December - 1892 May |
| Vol. 218 |
Letterbook # 20, 1892 May - October |
| Vol. 219 |
Letterbook # 21, 1892 October - 1893 March |
| Vol. 220 |
Letterbook # 22, 1893 March - July |
| Vol. 221 |
Letterbook # 23, 1893 July - December |
| Vol. 222 |
Letterbook # 24, 1893 December - 1894 April |
| Vol. 223 |
Letterbook # 25, 1894 April - September |
| Vol. 224 |
Letterbook # 26, 1894 September - December |
| Vol. 225 |
Letterbook # 27, 1894 December - 1895 March |
| Vol. 226 |
Letterbook # 28, 1895 March - June |
| Vol. 227 |
Letterbook # 29, 1895 June - August |
| Vol. 228 |
Letterbook # 30, 1895 August - November |
| Vol. 229 |
Letterbook # 31, 1895 November - 1896 January |
| Vol. 230 |
Letterbook # 32, 1896 January - April |
| Vol. 231 |
Letterbook # 33, 1896 April - June |
| Vol. 232 |
Letterbook # 34, 1896 June - September |
| Vol. 233 |
Letterbook # 35, 1896 September - December |
| Vol. 234 |
Letterbook # 37, 1897 February - May |
| Vol. 235 |
Letterbook # 38, 1897 May - August |
| Vol. 236 |
Letterbook # 39, 1897 August - October |
| Vol. 237 |
Letterbook # 42, 1898 March - June |
| Vol. 238 |
Letterbook, 1867 October - 1868 March |
| Vol. 239 |
Letterbook, 1877 April - 1886 April |
| Vol. 240 |
Letterbook, 1886 April - 1891 March |
| Vol. 241 |
Letterbook, 1895 January - 1897 June |
| Vol. 242 |
Letterbook, 1897 June - 1899 August |
| Vol. 243 |
Letterbook, 1899 August - 1901 November |
| Vol. 244 |
Letterbook, 1901 December - 1903 August |
| Vol. 245 |
Letterbook, 1903 August - 1905 April |
| Vol. 246 |
Letterbook, 1905 April - 1906 October |
| Vol. 247 |
Letterbook, 1906 October - December |
| Vol. 248 |
Letterbook, 1882 January - 1889 October |
| Vol. 249 |
Letterbook, 1884 January - 1887 April |
| Vol. 250 |
Detroit Assets Purchased, undated |
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| Series II: Records, undated, 1878-1939 |
| Box 1 |
War regulations, undated |
| Box 2 |
Income Tax Returns, undated |
| Box 3 |
Personnel Files, undated |
| Box 4-5 |
Administrative Files, undated |
| Box 6 |
Projections, undated |
| Box 7 |
Reports and Studies, undated |
| Box 8 |
Bundles, undated |
| Box 9-10 |
Correspondence, undated |
| Box 11 |
Patent Certificates, undated |
| Box 12 |
Blueprints, undated |
| Box 13 |
Contracts and Agreements, undated |
| Box 14 |
Production Information, Legal Information, undated |
| Box 15 |
Files, undated |
| Box 16 |
Blueprints, Journals and Ledgers, undated |
| Box 17 |
Treasurer's Correspondence, undated |
| Box 18 |
Thatcher Correspondence, undated |
| Box 19 |
Contracts, undated |
| Box 20 |
Production Records, undated |
| Box 21 |
Inspection Time Sheets, undated |
| Box 22 |
Production Records and Information, undated |
| Box 23-25 |
Executive Files, undated |
| Box 26 |
Bills, 1871-1872, 1882 |
| Box 27 |
Bills, 1878 |
| Box 28 |
Bills, 1879 |
| Box 29 |
Bills, 1884 |
| Box 30 |
Bills, 1884-1886 |
| Box 31 |
Bills, 1885 |
| Box 32 |
Bills, 1886-1891 |
| Box 33 |
Bills, 1887-1889 |
| Box 34 |
Bills, 1888 |
| Box 35 |
Bills, 1888 |
| Box 36 |
Correspondence to and from T. F. Hammer, 1898-1899, 1928-1933 |
| Box 37 |
Incoming correspondence, 1891-94, 1900-1901 |
| Box 38 |
Outgoing correspondence, 1892, 1989, 1928 |
| Box 39 |
Correspondence from suppliers and other businesses, 1902, 1920-1927, 1934-1939 |
| Box 40 |
Correspondence with Hammer Company, 1894-1901 |
|