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Term:
Optical Instruments
Objects
View all (30)
Pratt & Whitney Promotional Magnifying Glass & Case
about 1990
Spectacles
1825-1850
Spectacles
about 1770-1810
Image Not Available
Spectacles
about 1925
Image Not Available
Spectacles
about 1885-1900
Graphotrope
patented 12 June 1866
