Landing Gear Pressure Indicator Type E-3 2000 PSI Air Corps US Army C-7 as used in the US

as used in the US Army Air Force's Boeing B-29 Superfortress (see photo of B-29 Flight Engineer's instrument panel with a red dot showing instrument location)

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

Then the gunner may greet the uninvited guest with 50 cal potpourri

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

the TBM Avenger Torpedo Bomber

Landing Gear Pressure Indicator Type E-3 2000 PSI Air Corps US Army C-7 as used in the USThis 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