Blind Landing: 1937

Blind Landing: 1937

Safety device for blind landing of air-track. Washington D.C. The monitoring device of the air-track blind landing in the above photo tells the man on the ground if all the beams are being sent out correctly. If there is any error in transmission of the beams, this machine will pick it up immediately and the pilot can be notified to come into the airdrome again while corrections can be made. Photograph taken February 4, 1937. Photo by Harris & Ewing. Vintage photographs provided by LOC. Original Medium: glass negative.