Apollo Lunar Module control panel indicator, measuring 4.75 x 4 x 1.75, bearing a Honeywell label on the reverse, reading: "Indicator-Servometric, Mfr Part No. JG904A26, Series 3, Serial No. 129, GAEC, Part No. LSC350-80173-16, Contract No. NAS 9-1100, P.O. 5-42885." The meter displays percentage levels of oxygen, "O2," and water, "H2O." In fine condition.
Terms and abbreviations used in our descriptions.