Interior of a plane showing equipment, undated. Inscriptions on image read: "selector valve for outboard oil tanks" and "wobble pump from cabin oil tank to engine oil tank."

Interior of plane showing fuel tanks, undated. Inscriptions on image read: "oil 75 gals" "upper right fuel 180 gals" "lower left fuel 180 gals" and "lower right fuel 180 gals." Other inscriptions at the bottom of the image are difficult to read due to darkness of photo.

Interior of a plane showing fuel tanks and valves, undated. Inscriptions on image read: "optical flats for sextant observations" "air pressure engine pump oil feed outboard" "control valve" and "emergency hand pump."

Artist's rendering of aircraft in flight, undated. Taken sometime between 1930-1950. To see the model this was made from, see image 0373 0232, whh000514.

Four unidentified people stand by a plane on the tarmac, undated. Taken sometime between 1930-1950.

Aerial view of the Lockheed 14 before takeoff.

The black and white view of the front of the Lockheed 14 aircraft before takeoff.