Altimeter, 35,000 FT, British RAF F6F Hellcat made by Friden part number

made by Friden part number 8DJ19  was used across multi-engine US military aircraft during WWII

See photo of HE 111 instrument panel

airspeed indicator

and paired with one more dual tachometer for engines 3 & 4 in heavy bombers such as B-17 Flying Fortress

this is not aviation in nature

Altimeter, 35,000 FT, British RAF F6F Hellcat made by Friden part numberThis Altimeter, made by the British aircraft instrument manufacturer Smiths, indicates aircraft altitude up to 35,000 ft. The pointer indicates altitude from 0 20,000 ft with one 360 degree rotation, using the scale along the outer perimeter. Once past 20,000 ft, the pointer indicates altitude along the inner green scale, up to 35,000 ft. With only one pointer and markings every 2,000 ft, this would be regarded as a 'non sensitive' altimeter. The