Telephone

Graphic of the AT&T VideoPhone 2500 which costs $1,500.  B-…

CU of water coming out of a faucet. Clark Dunbar, inventor, tells of a…

Mid-30's. Various shots of buildings and industry. Footage of building…

The woman switchboard operator gives the young boy advice for how to…

Young woman is operating the switchboard for her first solo night shift…

Footage of men using a video phone during the 1940s. The phone is…

Beauty pageant footage. Footage of 20's dancing. Footage of skyscrapers…

Young man gets invitation to be an engineer on the Trans-Continental…

Horse-drawn trolleys circa 1910. Men building telephone poles.

Wealthy businessman in Buenos Aires is chauffeured to work, various…

Different scenes of experiments of the semiconductors. CU on germanium…

CU of transistor and plate with semiconductors. Man explaining…