Instruments & Innovation
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Start Over You searched for: Department Museum Remove constraint Department: Museum Date 1940 to 1949 Remove constraint Date: <span class='from'>1940</span> to <span class='to'>1949</span>-
Lumetron Photoelectric Colorimeter Model 400-A
- 1940s
Electric-powered meter with instructions housed in wooden box. Movable components within box: two (2) slide glass filters (1 with red, green, and blue slides; 1 with orange, green, and blue slides); one (1) encasing to…
- Manufacturer Photovolt Corporation
- Subject Colorimetry--Instruments, Photovolt Corporation
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Cary Model 11MS Recording Spectrophotometer
- 1947 (Introduced)
- Manufacturer Applied Physics Corporation
- Subject Varian, Inc., Spectrophotometer, Applied Physics Corporation
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2 itemsOil-Immersion Microscope
- Circa 1946
A: Microscope
Ernst Leitz oil-immersion microscope; instrument rests on wishbone-shaped base with a single beam extending from the center before splitting into two sections: an arm supporting the telescope and…- Manufacturer Ernst Leitz (Firm)
- Subject Microscopes, Ernst Leitz (Firm)
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5 itemsBausch & Lomb Duboscq Type Colorimeter
- 1940s
A: Cast iron base attached to a sloping cast iron upright supporting the reader, prisms, sample cups, plungers, and a mechanism for raising and lowering the sample cups; two metal knobs control the height of the sample…
- Manufacturer Bausch & Lomb Optical Company
- Subject Bausch & Lomb Optical Company, Colorimetry--Instruments, Colorimetry
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2 itemsBausch & Lomb Abbe Refractometer
- 1937 – 1941
A: Refractometer
Instrument has round base with black finish; on the base is a double-sided circular glass mirror mounted to allow full rotation; a black pillar supports the prism alidade, the black brass cylindrical…- Manufacturer Bausch & Lomb Optical Company
- Subject Bausch & Lomb Optical Company, Refractometers, Optics
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Precision Condenser Type 722-N
- After 1944
Wooden box with no lid; black painted metal instrument panel on top; engraved writing on top left corner; two metal knobs projecting from panel on upper right side most likely for running electrical current;…
- Manufacturer General Radio Company
- Subject Capacitors, General Radio Company