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New York, New York(?). Grinding thin wafers of quartz to close tolerances, for use as radio crystal oscillators. Five hundred crystals a day can be produced by this firm which previously manufactured jewelry and watch cases
Content Provider | Library of Congress - Photographs |
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Spatial Coverage | New York (State)--New York |
File Format | JPG / JPEG |
Language | English |
Part of Series | Farm Security Administration/Office of War Information Black-and-White Negatives American Memory |
Requires | HTML5 supported browser |
Access Restriction | Open |
Subject Domain (in LCSH) | United States--New York (State)--New York. |
Content Type | Image |
Resource Type | Photograph |