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 - Hand holding a Helipot Model 851 voltage regulator ID - pc289j35q DA - 1950/// YR - 1950 AV - Beckman Historical Collection, Box 85 VL - Beckman Historical Collection, Box 85 AN - Beckman Historical Collection, Box 85 UR - https://digital.sciencehistory.org/works/pc289j35q AB - Voltage regulators maintain a constant voltage level in electrical devices. KW - Microelectronics KW - Voltage regulators KW - Beckman Instruments, Inc. LA - ER -