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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 table on saddle foot for photomicrography

adjustable table on saddle foot for photomicrography

Carl Zeiss Jena
circa 1915
ammeter for use with Zeiss photomicrographic apparatus

ammeter for use with Zeiss photomicrographic apparatus

Weston Electrical Instrument Corporation
circa 1920
arc carbons

arc carbons

National Carbon Company Inc.
1914-1925
arc lamp for photomicrographic work

arc lamp for photomicrographic work

W. W. G. H.
1914
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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