Rate of Climb instrument, 1930 - 1950

Historical information

Part No 1636 - 6H - B1 fitted to Kittyhawk, B25, Vengence, Ventura, Liberator

Physical description

Black cylindrical body, face has background white markings 0 - 6 up & down

Inscriptions & markings

Caution: / Do not blow in tube / PIONEER / REG.U.S.Pat>OFF.
AN - 5825 - 1 / MFR'S PART NO. AC - 399 / SER. NO. AF - 43 139012 / BENDIX AVIATION CORPORTATION / SCLIPSE DIVISION / TETERBORO. NEW JERSEY. U S A

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