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1 gallon glass bottle "BENZENE" empty

Central Scientific Company

early 20th Century

2 bakelite pulleys fork-mounted on rods

Central Scientific Company

circa 1929

2 laboratory end supports for holding a single horizontal rod

Central Scientific Company

1900-1925

2-mirror 36° kaleidoscope

Charles G. Bush

circa 1873

2 printed centimeter scales

Central Scientific Company

early 20th Century

3 laboratory end supports for holding a single horizontal rod

Central Scientific Company

1900-1925

6-inch flint-glass telescope lens

American

1880-1920

10-inch celestial globe

C. Smith & Son

1825-1850

aircraft recording bubble sextant, A-10

Fairchild Camera and Instrument Corporation

circa 1940

Alluard dew point gauge

Central Scientific Company

1900-1930

alternating current motor demonstration (?)

Central Scientific Company

ca. 1910-1940

aluminum tuning fork, 100 VPS

Central Scientific Company

circa 1950

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1 gallon glass bottle "BENZENE" empty

2 bakelite pulleys fork-mounted on rods

2 laboratory end supports for holding a single horizontal rod

2-mirror 36° kaleidoscope

2 printed centimeter scales

3 laboratory end supports for holding a single horizontal rod

6-inch flint-glass telescope lens

10-inch celestial globe

aircraft recording bubble sextant, A-10

Alluard dew point gauge

alternating current motor demonstration (?)

aluminum tuning fork, 100 VPS