Beckman oxygen analyzer, 6 x 4.5 x 7, with attached rubber hand pump and cable. Plate on the bottom identifies it as model D2 with serial number 2932. A small window in the front displays a gauge, with McDonnell property and NASA calibration labels affixed below. NASA label is dated March 5, 1986. In very good condition, with various dings and rust marks, and the rubber pump cracking and very brittle. RR Auction COA.
Terms and abbreviations used in our descriptions.