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achromatic compound microscope

achromatic compound microscope

Harmanus van Deyl
1807
adjustable stand to support chemical apparatus

adjustable stand to support chemical apparatus

American
circa 1800
drum compound microscope

drum compound microscope

Georges Oberhaeuser
1845-1846
home-made compound microscope

home-made compound microscope

Oliver Wendell Holmes
circa 1867
Mark Twain's compound microscope

Mark Twain's compound microscope

Negretti and Zambra
circa 1880
plano-convex lens on brass stand

plano-convex lens on brass stand

Théodore and Albert Duboscq
circa 1880
pocket aquatic and screw-barrel simple microscopes

pocket aquatic and screw-barrel simple microscopes

Peter & John Dollond
circa 1768
Portraits of Louis Agassiz and Alexander Agassiz

Portraits of Louis Agassiz and Alexander Agassiz

Louis Agassiz
1850-1900
screw-barrel and compass-type simple microscopes

screw-barrel and compass-type simple microscopes

English
circa 1720
synthetic carborundum

synthetic carborundum

Oliver Wolcott Gibbs
circa 1895
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The Collection of Historical Scientific Instruments
Science Center, Room 371 • 1 Oxford Street
Cambridge, MA 02138 •chsi@fas.harvard.edu
p. 617-495-2779 • f. 617-496-5794
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