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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

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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

description

Summary

Public domain photograph of New York in 1930s, free to use, no copyright restrictions image - Picryl description

date_range

Date

01/01/1941
person

Contributors

Gruber, Edward, photographer
place

Location

create

Source

Library of Congress
copyright

Copyright info

Public Domain

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new york
new york