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ENGLAND, LATE 19TH CENTURY
细节
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
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
注意事项
This lot is offered without reserve.