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Color

Start Over Medium brass (alloy)

2 items
Scientific apparatus and instruments

Bausch & Lomb Spectroscope
- Undated
Spectroscope is in the style of the original Bunsen-Kirchhoff design. Triangular glass prism sits on a round, brass dias and is held in place by a metal arm attached to the dias; prism is coated in black paint with only…
- Manufacturer Bausch & Lomb Optical Company
- Subject Spectrometer, Bausch & Lomb Optical Company, Spectrum analysis, Spectroscope
2 items
Scientific apparatus and instruments

Bausch & Lomb Duboscq Type Colorimeter
- Undated
A: Duboscq type colorimeter, biological, with electric illuminator. Hollow black cast iron base attached to a sloping cast iron upright supporting the reader, prisms, and sample cups; reader detaches with two metal…
- Manufacturer Bausch & Lomb Optical Company
- Subject Bausch & Lomb Optical Company, Colorimetry--Instruments, Colorimetry
2 items
Artifacts

American Aniline Products Dye Sample Box
- Undated
A red display box of 24 samples of various products colored with dyes. The top and side flaps open to reveal 24 samples of various products colored with dyes. Includes liquids in small bottles, powders in brass circular…
- Manufacturer American Aniline Products
- Subject American Aniline Products, Dyes and dyeing, Dyes and dyeing--Equipment and supplies, Aniline, Dyes and dyeing--Chemistry, Formulas, recipes, etc., Samples (Commerce)