Live Auction 12051Travel, Science and Natural History
SET OF SIX DIDACTIC LENSES
Lot 274

SET OF SIX DIDACTIC LENSES

ENGLAND, LATE 19TH CENTURY

Closed21 April 2016

Estimate

GBP 700–1,000

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SET OF SIX DIDACTIC LENSES
ENGLAND, LATE 19TH CENTURY
the fitted wooden case with padded protection for the lenses, each lens with label: biconvex, planconvex, conavconvex, biconcav, planoconcav, convexconcav
7¾in. (19.5cm.) wide in case