SENDING PICTURES BY RADIO

E&MP 96.026

Phototelegraphy

JUNE 20, 1928 (public on Sept. 11, 1928)

Magnification of one inch to show comparative size of light beam as shown on sensitized film one-one-hundredth and twentieth of an inch.

also see image 96.029 within this archive collection

Original Caption by Science Service
© Radio Pictures Laboratory Washington D.C.