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Inspecting a block of lenses, 1937

Among the spindles and pads of the polishing machines, a worker lifts a round block set with dozens of small lens blanks, polished together as a single surface, holds it close to his face and examines it through a loupe screwed into his eye. Mounting many lenses on one block allowed identical curves to be polished at once.

Period: c. June 26, 1937–October 8, 1937
Credit: Julien BryanLibrary of CongressDigitalisierung und Bearbeitung: © zb Media GmbH

Part of

The Leitz works at Wetzlar, 1937 · Julien Bryan: Germany 1937

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Clip name: HFE027410
Length: 0' 12"
Aspect Ratio: 0:1
Frames per Second: 24 fps
Chroma Subsampling: yuv422p10le
Resolution: 1920 × 1080
Format: MOV
File Size: 276,433,633 bytes

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