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 - Helipot trimmers, resistors, and potentiometer ID - ht24wj88v DA - 1980/// YR - 1980 AV - Beckman Historical Collection, Box 55, Folder 139 VL - Beckman Historical Collection, Box 55, Folder 139 AN - Beckman Historical Collection, Box 55, Folder 139 UR - https://digital.sciencehistory.org/works/ht24wj88v AB - A publicity or marketing image showing two hands holding the items in their packaging. KW - Scientific apparatus and instruments KW - Electric resistors KW - Potentiometer KW - Beckman Instruments, Inc. LA - ER -