TY - MANSCPT DB - Science History Institute DP - Science History Institute M2 - Courtesy of Science History Institute. Rights: In Copyright - Rights-holder(s) Unlocatable or Unidentifiable TI - Industrial Instruments Type DR51D Decade Resistance ID - 37720c78r AU - Commercial Photographic Company DA - 1950/// YR - 1950 AV - Beckman Historical Collection, Box 79 VL - Beckman Historical Collection, Box 79 AN - Beckman Historical Collection, Box 79 UR - https://digital.sciencehistory.org/works/37720c78r AB - In 1965, Beckman Instruments acquired Industrial Instruments, Inc. The Cedar Grove, New Jersey-based company manufactured solution conductivity analyzers and other industrial instruments. KW - Scientific apparatus and instruments KW - Electric resistance--Measurement KW - Beckman Instruments, Inc. LA - ER -