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 - Beckman Water Quality System ID - 05741r922 AU - Photomation AV - Beckman Historical Collection, Box 84 VL - Beckman Historical Collection, Box 84 AN - Beckman Historical Collection, Box 84 UR - https://digital.sciencehistory.org/works/05741r922 KW - Scientific apparatus and instruments KW - Water quality KW - Water quality--Measurement KW - Beckman Instruments, Inc. LA - ER -