Stage 2 fuel/oxidizer indicator built for the Gemini spacecraft, measuring 2˝ x 2.5˝ x 6˝, with the manufacturer's tag on top: "Indicator, Pressure, Serial No. 101B US, Lear Siegler, Inc. for McDonnell, Per MAC SCD 52-81708-21, Model No. 2700K." The front indicator panel features dual meters, labeled "FUEL" and "OXID." In fine condition.
Per McDonnell: 'STAGE 2 FUEL/OXID meter: Monitors analog signals from the stage 2 fuel tank and oxidizer tank pressure sensors. Also monitors analog signals from the stage 2 thrust chamber pressure sensors through signal switching in the launch vehicle.'
