TY - MANSCPT DB - Science History Institute DP - Science History Institute M2 - Courtesy of Science History Institute. Rights: In Copyright, D TI - Gas Detector Specifications (Beckman Model 150 Mass Spectrometer) ID - k930bx77f AU - Donner, Walter DA - 1955/08/05/ YR - 1955 AV - Beckman Historical Collection, Box 19, Folder 25 VL - Beckman Historical Collection, Box 19, Folder 25 AN - Beckman Historical Collection, Box 19, Folder 25 UR - https://digital.sciencehistory.org/works/k930bx77f AB - Mass spectrometers measure the mass of sample components after ionization. Walter Donner's work with Beckman Instruments including oversight of the development of medical monitoring equipment for the Apollo, Mercury, and Gemini manned spaceflight missions. KW - Gases--Analysis KW - Scientific apparatus and instruments KW - Methane--Measurement KW - Mass spectrometers KW - Mass spectrometry KW - Beckman Instruments, Inc. LA - English ER -