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1 gallon glass bottle "BENZENE" empty

1 gallon glass bottle "BENZENE" empty

Central Scientific Company
early 20th Century
2 bakelite pulleys fork-mounted on rods

2 bakelite pulleys fork-mounted on rods

Central Scientific Company
circa 1929
2 eyepieces with cross-hairs

2 eyepieces with cross-hairs

American
1875-1900
Image Not Available

2 filters

French
1875-1925
2 internal aperture stops

2 internal aperture stops

German
1875-1900
2 internal aperture stops

2 internal aperture stops

German
1875-1900
2 laboratory end supports for holding a single horizontal rod

2 laboratory end supports for holding a single horizontal rod

Central Scientific Company
1900-1925
2 printed centimeter scales

2 printed centimeter scales

Central Scientific Company
early 20th Century
3 cup diaphragms

3 cup diaphragms

German
1875-1900
3 laboratory end supports for holding a single horizontal rod

3 laboratory end supports for holding a single horizontal rod

Central Scientific Company
1900-1925
4.1-inch flat heliostat mirror

4.1-inch flat heliostat mirror

American
mid 20th Century
5 reed organ pipes and 5 pipe boots

5 reed organ pipes and 5 pipe boots

American
1880-1925
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The Collection of Historical Scientific Instruments
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p. 617-495-2779 • f. 617-496-5794
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