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/ 4
arsenic reduction tube

arsenic reduction tube

American
1900-1920
arsenic reduction tube

arsenic reduction tube

American
1900-1920
arsenic reduction tube

arsenic reduction tube

American
1900-1920
blue glass bulb

blue glass bulb

Theodore William Richards
late 19th-early 20th Century
bottle

bottle

American
1890-1920
bubble gas traps (10)

bubble gas traps (10)

Theodore William Richards
late 19th-early 20th Century
bulbs for refluctuation of liquids

bulbs for refluctuation of liquids

Theodore William Richards
late 19th-early 20th Century
bulbs for refluctuation of liquids

bulbs for refluctuation of liquids

Theodore William Richards
late 19th-early 20th Century
cardboard mailing tube with eleven glass tubes inside

cardboard mailing tube with eleven glass tubes inside

Theodore William Richards
late 19th-early 20th Century
cylinder

cylinder

Theodore William Richards
late 19th-early 20th Century
cylinder on foot

cylinder on foot

French
1890-1920
drying tube

drying tube

American
1900-1920
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The Collection of Historical Scientific Instruments
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Cambridge, MA 02138 •chsi@fas.harvard.edu
p. 617-495-2779 • f. 617-496-5794
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