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01:00:02 1.4 |
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CU ELECTRIC BELL OPERATED WITH A BUZZER EXPLAINATION ON HOW IT WORKS ANIMATED ILLUSTRATIONS
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01:01:31 91.4 |
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CU HAND OPERATES TELEGRAPH MACHINE SENDS MORSE CODE THROUGH ELECTRONIC CLICKS INFO RECORDED ONTO PAPER ROLL DETAILS ON HOW THE TELEGRAPH WORKS
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01:01:59 119.4 |
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MONTAGE LAYING OF TELEGRAPH OR PHONE WIRES ACROSS THE OCEAN TRANSATLANTIC CABLE
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01:02:59 179.4 |
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CU OLD FASHIONED TELEPHONE AND HOW IT WORK DIAL IS DISESSEMBLED CARBON GRANULES IN PHONE ARE REMOVED ANIMATION ON HOW THE PHONE WORKS
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01:05:09 308.4 |
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MS 1920S TELEPHONE SWITCHBOARD AND OPERATOR
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01:06:25 384.4 |
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HISTORY OF THE FIRST SWITCHBOARD HOW WE HEAR THE PHONE HUMAN EAR ANIMATION
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01:10:34 634.4 |
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LONG DISTANCE TELEPHONEY ANIMATION. SOUND WAVES EMIT FROM TOWERS IN EASTERN UNITED STATES OVER THE OCEAN TO EUROPE
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01:10:37 637.4 |
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HOW SOUNDWAVES TRAVEL THROUGH WIRE
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01:11:40 700.4 |
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AUDIO TUBE ANIMATION
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01:11:49 709.4 |
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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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211 Third St, Greenport NY, 11944
[email protected]
631-477-9700
1-800-249-1940
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