Landing Gear Pressure Indicator Type E-3 2000 PSI Air Corps US Army C-7 invented by George Reid (according

invented by George Reid (according to the 'all-knowing' Wikipedia) and made by Reid & Sigrist

type B-9C (formerly AN5772-2) and made by US Gauge

it was connected to a rotating mechanical control cable

but requires the correct electrical input to function properly

adjusts the projection of the reticles on the glass screen toward the target

Landing Gear Pressure Indicator Type E-3 2000 PSI Air Corps US Army C-7 invented by George Reid (accordingThis is an authentic WW2 vintage Landing Gear Pressure Indicator, Type E 3, made by Manning Maxwell & Moore, as used in early aircraft of the US Army Air Corps. "AC US ARMY" is embossed on the face of the instrument (black on black), see close up photo. This was a lighted instrument, containing a small lamp (still present) in the upper right corner, which would illuminate the inner rim of the dial when the knob is rotated. The instrument would