E.Burke Wilford, aeronautical engineer of Pennsylvania and builder of gyro-planes and inventor of the gyro-boat in which he has incorporated some of the principles of the gyro planes. The photo shows the inventor checking the rotor blades and mast of his boat before putting it through test runs in Essington, Pennsylvania. 30/3/1935

px px dpi = cm x cm = MB
Details

Creative#:

TOP19251721

Source:

達志影像

Authorization Type:

RM

Release Information:

須由TPG 完整授權

Model Release:

No

Property Release:

No

Right to Privacy:

No

Same folder images:

Same folder images