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Objects by: Arthur H. Thomas Company

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Objects by: Arthur H. Thomas Company
1 to 12 of 22 Maker Information
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Arthur H. Thomas Company (22)
Theodore William Richards (5)
Bausch & Lomb Optical Company (2)
Benjamin Martin Shaub (2)
Chance Brothers & Company, Ltd (2)
Ernst Leitz (company) (2)
German (2)
Jos. Schneider Optische Werke GmbH (2)
Adam Hilger Ltd. (1)
Beck Brothers (1)
Beckman Instruments, Inc. (1)
Chemistry Laboratory, Harvard College (1)
Corning (1)
Coulter Diagnostics, Inc. (1)
Coulter Electronics, Inc. (1)
Cruft Laboratory, Harvard University (1)
Curtin Matheson Scientific, Inc. (1)
Daube & Hopken (1)
Department of Chemistry, Harvard University (1)
Department of Geology and Geography, Harvard University (1)
Department of Legal Medicine, Harvard Medical School (1)
John R. Pappenheimer (1)
Leeds & Northrup Company (1)
Max Levy Company (1)
Ohaus Scale Corporation (1)
Perforated Products, Inc. (1)

Classification / Category

Thermometer (8)
Microscope (3)
Balance (2)
Stand (2)
Balance Weights (1)
Camera Lucida (1)
Counter (1)
Haemacytometer (1)
Hydrometer (1)
Microscope Light Source (1)
Microscope Slide (1)
Microscope Stage (1)
Potentiometer (1)
Rheostat (1)
Spectrophotometer (1)

Date

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Maker Info

Arthur H. Thomas Company

Arthur H. Thomas was born in Beaver County, Pennsylvania, and he was nineteen years old when he joined James W. Queen Company in Philadelphia, then the leading optical and instrument maker in the United States. Queen Company was an importer, dealer, and manufacturer of everything from lab equipment to microscopes, drafting instruments, and theodolites. Thomas received a thorough apprenticeship in instrument manufacturing and in 1900 set up his own company with J. Edward Patterson to import and sell instruments.

accessory parts for Coulter counter and Coulter channelyzer

accessory parts for Coulter counter and Coulter channelyzer

Coulter Electronics, Inc.
circa 1972
ac du power supply

ac du power supply

Beckman Instruments, Inc.
after 1940
balance weights

balance weights

German
circa 1920
Beckmann thermometer

Beckmann thermometer

Corning
1900-1920
B&L Y dissecting simple microscope

B&L Y dissecting simple microscope

Bausch & Lomb Optical Company
circa 1900
Gramont arc and spark apparatus

Gramont arc and spark apparatus

Adam Hilger Ltd.
circa 1928
Leitz AM petrographic compound microscope

Leitz AM petrographic compound microscope

Ernst Leitz (company)
circa 1937
milk glass scale thermometer

milk glass scale thermometer

Arthur H. Thomas Company
1900-1930
moisture determination balance

moisture determination balance

Ohaus Scale Corporation
1950-1960
Neubauer-type haemacytometer

Neubauer-type haemacytometer

Max Levy Company
circa 1917
petrographic compound microscope and accessories

petrographic compound microscope and accessories

Ernst Leitz (company)
1930-1950
portable gold weighing scale

portable gold weighing scale

Arthur H. Thomas Company
circa 1940
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