| 02:01:20 24 |
Cu primitive clay candle holding device
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| 02:01:26 30 |
Early oil lamp
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| 02:01:30 34 |
Candle in metal candlestick holder
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| 02:01:46 50 |
Cu original Edison electric light bulb
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| 02:02:04 68 |
Miner chopping out chunks of tungsten ore in mine with hammer and chisel
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| 02:02:22 86 |
Workers sorting ore: pulling rocks out of large pile on ground.
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| 02:02:40 104 |
Man at workbench making filament of tungsten wire
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| 02:03:07 131 |
Converting tungsten ore into solid bar or ingot: factory worker puts solid bar into machine
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| 02:03:24 148 |
CU worker handling long narrow ingot
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| 02:03:49 173 |
Swaging the ingot: machine pounds on ingot toughening and elongating the metal.
Cu as worker puts long thin piece of metal into machines. Quickly pulls it out again, steaming and red hot. |
| 02:04:26 210 |
Worker feeds wire into machine as metal is pounded and lengthened to create thin wire.
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| 02:04:45 229 |
Worker at machinery drilling diamond dies.
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| 02:04:52 236 |
CU worker attaching tiny drill to machine which cuts hole in die.
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| 02:05:10 254 |
CU worker holding die, puts thin wire through center.
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| 02:05:36 280 |
Graphite coated tungsten wire is drawn through a series of dies reducing it in size.
|
| 02:06:16 320 |
Female worker doing delicate work with filaments. Winds wire through die and onto spools.
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| 02:06:53 357 |
Female worker winding filament onto spools to be send to lamp factory.
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| 02:07:21 385 |
Glass blower stands on platform and blows glass bulbs for light bulbs.
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| 02:07:41 405 |
Finishes bulb and knocks it off stick, places in rack with other bulbs.
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| 02:07:57 421 |
Automatic machinery heats one end of the tubing which is spread open to proper flare.
|
| 02:08:21 445 |
Automatic machinery forces the glass together when hot forming the button rod.
|
| 02:08:29 453 |
Cu tiny flange tubing piece with wire and button rod joined together.
|
| 02:08:43 467 |
Female factory worker working on machine inserting filament into flange tubing and button rod piece
|
| 02:08:58 482 |
CU completed piece.
|
| 02:09:00 484 |
Cu hands holds complete piece.
|
| 02:09:15 499 |
CU machine automatically places wire hooks into button to give filament support.
|
| 02:09:37 521 |
Forming coil filament for 1,000 watt lamp:
CU female workers using pliers to bend wire |
| 02:10:47 591 |
Machine fuses piece of tubing to exhaust air from bulb
|
| 02:11:14 618 |
Assembling bulb to mount: soften by heat then forced against flange base to which it is liquefied.
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| 02:11:47 651 |
Tube being removed from assembly line machine has little glass tip that is removed by worker who heats glass with little torch then pulls it off.
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| 02:12:18 682 |
Cu hand holding metal base of light bulb, fills inner edge with cement from machine.
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| 02:12:45 709 |
Woman working assembly puts pieces together and puts back on machine when sends it through back oven
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| 02:13:06 730 |
Woman solders the "lead-in" wires to the base.
|
| 02:13:22 746 |
New York Times Square neon lights lit up at night.
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Jump to this Point
Year: 1920
Color: Black & White
Genre: INDUSTRY/MANUFACTURING
Specialty CollectionGenre: INDUSTRY/MANUFACTURING
Description: FILM SHOWS HOW THE ELECTRIC BULB IS MANUFACTURED.
