| 01:00:02 1.4 |
CU ELECTRIC BELL OPERATED WITH A BUZZER
EXPLAINATION ON HOW IT WORKS ANIMATED ILLUSTRATIONS |
| 01:01:31 91.4 |
CU HAND OPERATES TELEGRAPH MACHINE SENDS MORSE CODE THROUGH ELECTRONIC
CLICKS INFO RECORDED ONTO PAPER ROLL DETAILS ON HOW THE TELEGRAPH WORKS |
| 01:01:59 119.4 |
MONTAGE LAYING OF TELEGRAPH OR PHONE WIRES ACROSS THE OCEAN
TRANSATLANTIC CABLE |
| 01:02:59 179.4 |
CU OLD FASHIONED TELEPHONE AND HOW IT WORK DIAL IS DISESSEMBLED
CARBON GRANULES IN PHONE ARE REMOVED ANIMATION ON HOW THE PHONE WORKS |
| 01:05:09 308.4 |
MS 1920S TELEPHONE SWITCHBOARD AND OPERATOR
|
| 01:06:25 384.4 |
HISTORY OF THE FIRST SWITCHBOARD
HOW WE HEAR THE PHONE HUMAN EAR ANIMATION |
| 01:10:34 634.4 |
LONG DISTANCE TELEPHONEY ANIMATION. SOUND WAVES EMIT FROM TOWERS
IN EASTERN UNITED STATES OVER THE OCEAN TO EUROPE |
| 01:10:37 637.4 |
HOW SOUNDWAVES TRAVEL THROUGH WIRE
|
| 01:11:40 700.4 |
AUDIO TUBE ANIMATION
|
| 01:11:49 709.4 |
SCIENTIFIC ANIMATED GRAPH TO ILLUSTRATE HOW THE TELEPHONE WORKS AND HOW
SOUND WAVES CARRY CONDENSOR PAN UP LARGE 1920S PHONE TOWER |
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Year: 1928
Color: Black & White
Genre: COMMUNICATIONS
Specialty CollectionGenre: COMMUNICATIONS
Description: 1928 SILENT FILM ON THE EARLY DAYS OF ELECTRONIC COMMUNICATIONS
Keywords: telecommunication
