Instruments for Science, 1800-1914: Scientific Trade Catalogs in Smithsonian Collections
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Standard Company Name: L.E. Knott Apparatus Company
Company Name: L.E. Knott Apparatus Company
Title: ACatalogue of Physical Instruments / Catalogue 17
Imprint: United States (Boston, MA: 1912)
Pagination and Size: 524 p.; 26 x 20 cm
Material Type and Language: Trade catalogs; English
Instrument Types: Instruments represented: hydraulic presses, balances and slide rules
Notes: Item Number: 51733. Includes preface; index; directions and terms; prices.
Subject Area: Balances ; Physics ; Mathematical Instruments
Digital Availability: HTML Page

Standard Company Name: C. Gerhardt
Company Name: C. Gerhardt
Title: Preis-Verzeichnis über Physikalische Apparate, Instrumente und Gerätschaften
Imprint: Germany (Bonn: 1893)
Pagination and Size: 166 p.; 27 x 19 cm
Material Type and Language: Trade catalogs; German
Instrument Types: Instruments represented: balances, electromagnets and thermometers
Notes: Item Number: 52520. Includes content; description of instruments; prices; index.
Subject Area: Physics ; Balances ; Electricity
Digital Availability: HTML Page