S.S. White Dental Manufacturing Company/Brooks Typewriter Company Records
Brooks, Byron A.
S.S. White Dental Manufacturing Co.
Peyton, Joseph I.
This collection documents a patent dispute between the S. S. White Dental Manufacturing Company and the Williams Typewriter Company.
Charles Richardson Pratt Papers
The papers document the professional career of mechanical engineer, Charles Richardson Pratt. The papers include correspondence, patents, patent application materials, agreements, photographs, publications, and blueprints for many of Pratt's inventions, especially his work on elevators.
Carl Auer Von Welsbach Letter
One letter written by Carl Auer von Welsbach to the Austrian Gas and Electric Company. The letter is written in German.
Prescription Slips of New York City Pharmacists
1889 December-1890 April
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Archives Center, National Museum of American History