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/ 17
3.5X magnifier

3.5X magnifier

Bausch & Lomb Optical Company
1937-1947
4.5-inch telescope objective

4.5-inch telescope objective

Bausch & Lomb Optical Company
circa 1900
Abbe-type microscope camera lucida

Abbe-type microscope camera lucida

Bausch & Lomb Optical Company
circa 1929
Abbe-type microscope camera lucida

Abbe-type microscope camera lucida

Bausch & Lomb Optical Company
circa 1929
Abbe-type microscope camera lucida

Abbe-type microscope camera lucida

Bausch & Lomb Optical Company
circa 1898
adjustable laboratory and microscope lamp

adjustable laboratory and microscope lamp

Spencer Lens Company
circa 1940
AO Delineascope auditorium slide projector

AO Delineascope auditorium slide projector

American Optical Company
circa 1945
auditorium slide projector

auditorium slide projector

Spencer Lens Company
circa 1930
auditorium slide projector

auditorium slide projector

Spencer Lens Company
circa 1930
automatic laboratory microtome

automatic laboratory microtome

Bausch & Lomb Optical Company
1935-1945
ballast for carbon arc lamp

ballast for carbon arc lamp

Bausch & Lomb Optical Company
1950-1960
Balopticon lantern slide projector

Balopticon lantern slide projector

Bausch & Lomb Optical Company
1900-1920
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The Collection of Historical Scientific Instruments
Science Center, Room 371 • 1 Oxford Street
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p. 617-495-2779 • f. 617-496-5794
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