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5 results
Film
Polishing lenses at Wetzlar, 1937
HFE027409
Film
Inspecting a block of lenses, 1937
HFE027410
Film
The lens-grinding shop, 1937
HFE027411
Film
Safety glass on show, Düsseldorf 1937
HFE027381
Film
A worker adjusts an apparatus of rods and wheels
HFE004228