Documents in Manufacturing

Gruen Advice to Dealer Repairmen

Gruen Advice to Dealer Repairmen

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Gruen Military Watches

Gruen Military Watches

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First Advertisement for Gruen Watches

Gruen Watches Advertisement

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Dietrich Gruen, Patent

Gruen, Dietrich, Patent

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William Henry’s account with the State of Pennsylvania of funds dispersed for “repairing of arms”

Henry, William’s account with the State of Pennsylvania of funds dispersed for “repairing of arms”

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William Henry’s account with the United States for funds dispersed to Lancaster gunsmiths

Henry, William’s account with the United States for funds dispersed to Lancaster gunsmiths

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Max S. Hirsch, “Manager’s Statement”

Hirsch, Max S., “Manager’s Statement”

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Illinois Iron Works advertisement

Illinois Iron Works advertisement

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Illinois Iron Works advertisement for iron railings

Illinois Iron Works advertisement for iron railings

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Instructions for Both’s Patent Section Liner & Scale Divider, no. 1159, issued by Keuffel & Esser Co., New York and Chicago

Instructions for Both’s Patent Section Liner & Scale Divider, no. 1159, issued by Keuffel & Esser Co., New York and Chicago

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Instruments for Forest Work, Keuffel & Esser Co., Manufacturers, New York

Instruments for Forest Work, Keuffel & Esser Co., Manufacturers, New York

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J. Walter Thompson Co. House Advertisement

J. Walter Thompson Co. House Advertisement

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J.J Bausch & Co. Advertisement

J.J Bausch & Co. Advertisement

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Karpen Advertisement in Furniture World

Karpen Advertisement in Furniture World

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Karpen Sofa Bed Patent

Karpen Sofa Bed Patent

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Karpen Tufting Apparatus Patent

Karpen Tufting Apparatus Patent

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Keuffel and Esser’s “‘Duplex’ Slide Rule” Advertisement

Keuffel and Esser’s “‘Duplex’ Slide Rule” Advertisement

This advertisement for a Cox model duplex slide rule explained the new features of the rule, described how it worked, and noted how it differed from the Mannheim style rule. Read the document »

Letter from Felix Guggenheim to Max E. Lipman

Letter from Felix Guggenheim to Max E. Lipman

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Letter from Jacob Dickert and Henry DeHuff to Tench Coxe, Purveyor of Public Supplies

Letter from Jacob Dickert and Henry DeHuff to Tench Coxe, Purveyor of Public Supplies

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Longview Fibre Company: 13 Years of Progress

Longview Fibre Company: 13 Years of Progress

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