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 TH-1 Transistor Tester ID - 2z10wq33g AU - Commercial Photographic Company AV - Beckman Historical Collection, Box 79 VL - Beckman Historical Collection, Box 79 AN - Beckman Historical Collection, Box 79 UR - https://digital.sciencehistory.org/works/2z10wq33g AB - Transistor testers are used to test the electrical behavior of transistors and solid-state diodes. In 1965, Beckman Instruments acquired the Cedar Grove, New Jersey based Industrial Instruments, Inc. KW - Scientific apparatus and instruments KW - Transistors--Testing KW - Beckman Instruments, Inc. LA - ER -