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Scientific apparatus and instruments, Electronics

Precision Condenser Type 722-N

  • After 1944

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BY 4.0

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Wooden box with no lid; black painted metal instrument panel on top; engraved writing on top left corner; two metal knobs projecting from panel on upper right side most likely for running electrical current; medium-sized black plastic knob on lower left side with meter/window; metal handle on right center; four screws (two on each side) keep instrument panel attached to wood base; paper chart taped to front; four rubber feet on bottom, one in each corner.

Manufacturer
Place of manufacture
Format
Genre
Medium
Extent
  • 17.8 cm H x 23.2 cm W x 20.3 cm D
Inscription
  • (Top left) "PRECISION CONDENSER / 1100 uuf / TYPE 722-N SERIAL NO. 1656 / GENERAL RADIO CO. / CAMBRIDGE MASS U.S.A. / SID-547002-N-24 / 4 ACCOUNT"
Subject
Rights Creative Commons Attribution 4.0 International License
Credit line
  • Courtesy of Science History Institute

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Science History Institute. Precision Condenser Type 722-N. Photograph, 2016. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/t435gd03t.

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