Washington, D.C. June 20, 1922 The head of Naval Radio Communications, Commander Stanford Hooper, tries on June 18th, when Mars is at its closest to Earth, to receive a signal from the planet on one of the Navys powerful radio receivers, but to no avail.

px px dpi = cm x cm = MB
Details

Creative#:

TOP29746077

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