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| 00:52:02 8.63 |
TELEPHONE SCIENTIST LOOKS THROUGH METALOGRAPHIC MICROSCOPE. 12 FOOT LONG LABORATORY APPARATUS.
DR. LUCAS. TELEPHONE RESEARCH. LIQUID FILLED PRISM. |
| 00:54:29 155.63 |
CU SPECIMEN OF CARBON STEEL, HIGHLY POLISHED AND SET IN BAKELITE. PUTS UNDER MICROSCOPE, SCIENTIST LOOKING UNDER MICROSCOPE. CARBON STEEL SEEN THROUGH MICROSCOPE
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| 00:55:17 203.63 |
SCIENTIST SLIPS PLATE HOLDER INTO PLACE, MAKES TIMES EXPOSURE. CU PHOTOGRAPHIC PRINT OF CARBON STEEL MAGNIFIED BY MICROSCOPE.
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| 00:55:44 230.63 |
CU SCIENTIST LOOKING INTO MICROSCOPE
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| 00:55:58 244.63 |
SWITCHBOARD OPERATORS. CIRCUITS.
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| 00:56:06 252.63 |
USING COTTON IN TELEPHONE CIRCUITS. THOUSANDS OF WIRES THAT MAKE PHONES WORK. SPOOLS OF COTTON THREAD. INSULATING SPRING COILS WITH COTTON.
COTTON YARN IN WASH TUB. SPOOLS OF THREAD WHEELED INTO LARGE OVEN. SPINNING WIRE & COTTON THREAD. |
| 00:59:34 460.63 |
HIGHWAY BUILDERS. VERMONT MOUNTAINS. MAN HANGING FROM WIRE CABLES. RIVER. TRACTOR. MASSIVE SPOOL OF LEAD CABLE. INSTALLING CABLE ON HIGHWAYS
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| 01:00:57 543.63 |
NEW MEXICO. HIGHWAY IN THE DESERT. TELEPHONE POLES.
|
| 01:01:18 564.63 |
COUPLE IN COVERED WAGON. DESERT. ROUTE 66.
|
| 01:01:23 569.63 |
VALLEY. WILL ROGERS HIGHWAY. TELEPHONE LINEMEN INSTALLING POLES, WIRES.
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| 01:01:44 590.63 |
HOLLYWOOD, CALIFORNIA. RIVER. BUILDING BRIDGE.
WORKERS ON WINCH SLIDES ALONG CABLE. |
| 01:01:58 604.63 |
PAN WASHED OUT ROADS, BRIDGE, FROM 1938 DISASTER.
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| 01:02:17 623.63 |
WORKERS IN OPEN-ENDED TENT, MEN ON TELEPHONES
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| 01:02:20 626 |
TAPE ENDS
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