Ryan NYP Cockpit Instrument Board and Calibrated Starter Assembly (1927)

Close-up view of the black oval instrument panel showing compass, airspeed, tachometer, and calibrated starter lever. — Ryan NYP Cockpit Instrument Board and Calibrated Starter Assembly (1927) · Donald A. Hall Estate Collection

An archival technical photograph providing an intimate study of the Spirit of St. Louis instrument cluster mounted inside the welded fuselage frame. The exposure documents the Pioneer magnetic compass, Signal Corps altimeter, airspeed indicator, engine tachometer, turn-and-bank indicator, liquid column gauge, Scintilla magneto switch, and the numbered vertical calibration plate for the starter/primer control mounted to the left cabin truss.