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/ 21
9 lantern slides of diffraction patterns, atomic structure, spectra.

9 lantern slides of diffraction patterns, atomic structure, spectra.

Jefferson Physical Laboratory, Harvard University
1925-1940
20 glass and metal pressure gauges [?]

20 glass and metal pressure gauges [?]

Percy Williams Bridgman
circa 1940
23 stoppered, hollow brass tubes containing pressure gauges [?]

23 stoppered, hollow brass tubes containing pressure gauges [?]

Percy Williams Bridgman
circa 1940
100g of yttrium dust in sealed glass tube

100g of yttrium dust in sealed glass tube

Percy Williams Bridgman
circa 1925
2008-1-0141

2008-1-0141

Percy Williams Bridgman
1916
Acme mounted rectifier, oscillator, and vacuum tube for teaching

Acme mounted rectifier, oscillator, and vacuum tube for teaching

ACME Apparatus Company
circa 1920
Ader "bull ring" receiver

Ader "bull ring" receiver

Louis-Clément Breguet
circa 1881
Ader "bull ring" receiver

Ader "bull ring" receiver

Louis-Clément Breguet
circa 1881
aluminum alloy samples in sealed glass jar

aluminum alloy samples in sealed glass jar

Aluminum Company of America
circa 1925
aluminum, graphite, steel parts for high-pressure experiments

aluminum, graphite, steel parts for high-pressure experiments

Percy Williams Bridgman
circa 1930
antimony-potassium alloy samples in stoppered glass tube

antimony-potassium alloy samples in stoppered glass tube

Percy Williams Bridgman
1928
argentite sample in sealed glass tube

argentite sample in sealed glass tube

Percy Williams Bridgman
dated 1924
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