two men giving presentation inside classroom full of children; zoom in view of the man's ear and a diagram is shown - 1940 1949 個影片檔及 b 捲影像00:19
man with glasses showing girl small model and putting it in her ear behind office desk; bookcase in the background as the two talks - 1940 1949 個影片檔及 b 捲影像00:32
zoom in view of various parts of the ear and arrow pointing at different parts - 1940 1949 個影片檔及 b 捲影像00:15
old man and girl in the audience watching dancers performing on stage; the two claps with the audience at the end of the performance - 1940 1949 個影片檔及 b 捲影像00:20
diagram of the interior of the ear and neurons connecting it to the brain of a man with arrows pointing at various parts - 1940 1949 個影片檔及 b 捲影像00:18
diagram of the interior of the ear with arrows pointing at different parts, ear reacting to vibrations - 1940 1949 個影片檔及 b 捲影像00:34
diagram of the interior of the ear with arrows pointing at different parts - 1940 1949 個影片檔及 b 捲影像00:29
diagram of the interior of the ear with arrows pointing at different parts, ear reacting to vibrations - 1940 1949 個影片檔及 b 捲影像00:26
young man sitting in front of the piano talks to older man while holding his hands - 1940 1949 個影片檔及 b 捲影像00:23
house in an empty field behind fencing; pipes running on the ceiling; shelves full of light bulbs; and man dialing while talking to the telephone in... - 1940 1949 個影片檔及 b 捲影像00:19
teacher and girl looks at the broken vase and talking inside classroom; teacher puts her hand to the girl's cheek - 1940 1949 個影片檔及 b 捲影像00:21
young man talking to the older man in front of the piano; older man puts his hands to his ears - 1940 1949 個影片檔及 b 捲影像00:18
crowd of workers entering western electric factory; workers working on the assembly line and operating various machines - 1940 1949 個影片檔及 b 捲影像00:28
animation of large factory appearing on the map of u.s., emitting dotted lines connecting u.s. cities; large cargo truck passing through large... - 1940 1949 個影片檔及 b 捲影像00:28
woman lecturing classroom full of girls and points at the diagram on the blackboard; diagram: "bell system organization american telephone and... - 1940 1949 個影片檔及 b 捲影像00:29
old man writing sheet of music on the desk with a quill pen and handing it to the younger man when finished; younger man reads the music while older... - 1940 1949 個影片檔及 b 捲影像00:33
teacher talking to girl standing in the classroom while the children listens; vase falls off the window sill and everyone looks - 1940 1949 個影片檔及 b 捲影像00:27
cable passing through machinery; worker operating overhead crane lifting cables and dipping them into acid bath; spools of cable being reeled and... - 1940 1949 個影片檔及 b 捲影像00:31
teacher talking to classroom full of kids and children raising their hands; girl standing up and talks to the teacher - 1940 1949 個影片檔及 b 捲影像00:29美國
stable view of telephone on the table; animation tracking view of signal being transmitted through telephone cable over neighborhood to office... - 1940 1949 個影片檔及 b 捲影像00:18
young man plays the piano as the old man listens, dancers superimposed on the bottom of the frame - 1940 1949 個影片檔及 b 捲影像00:25
tilt up view of crates full of light bulbs on the table; workers operating various machinery and testing bulbs on the assembly line - 1940 1949 個影片檔及 b 捲影像01:28
machinery spooling cable and workers operating the machinery; machine spinning many thin cables into one thick one; worker with ladder organizing... - 1940 1949 個影片檔及 b 捲影像00:34
teacher talking to girl inside classroom; title card: "a few days later"; two men with suitcase standing in front of the classroom giving a... - 1940 1949 個影片檔及 b 捲影像00:32
metal pipes on the wall; animation of telephone signal being transmitted through cables; man picking up telephone and speaks to smiling woman on the... - 1940 1949 個影片檔及 b 捲影像00:25
older man talks standing up while the younger man listens sitting in front of the piano - 1940 1949 個影片檔及 b 捲影像00:22
woman lecturing classroom full of girls and points at the diagram on the blackboard; diagram: "bell system organization american telephone and... - 1940 1949 個影片檔及 b 捲影像00:23
overhead crane lifting crates in the storage area with the help of a worker - 1940 1949 個影片檔及 b 捲影像00:58
woman worker with glasses operating spinning machinery and inspecting part under the microscope; other workers busy working in the background - 1940 1949 個影片檔及 b 捲影像00:31
stable view of telephone sitting on the table; overhead crane lifting copper bars; copper bar passing through machinery and is heated and compressed... - 1940 1949 個影片檔及 b 捲影像00:25
stable view of diagram of the handset of a telephone; man holding model to his ear and another man measuring it - 1940 1949 個影片檔及 b 捲影像00:12
various views of workers working with various machinery; close up of rotating spool with label "western electric" - 1940 1949 個影片檔及 b 捲影像01:22
people and cars passing by on the street, sign in front of building "modern dial telephone service for haverhill" - 1940 1949 個影片檔及 b 捲影像01:45
well dressed woman entering building with bell logo on the glass door; women operator with headset talking in front of switchboard; men repairing... - 1940 1949 個影片檔及 b 捲影像00:42
woman sliding components into metal casing; woman assembling components at workstation; man showing another man how to solder; woman connecting wires... - 1940 1949 個影片檔及 b 捲影像01:21
man checking cards and labels on the wall as conveyor belt passes along bins full of parts; worker placing card inside bin - 1940 1949 個影片檔及 b 捲影像00:39
man takes file card and moves bin full of parts along the conveyor belt; man empties bin of parts on a woman's workstation; men taking bins off the... - 1940 1949 個影片檔及 b 捲影像01:21
telephone being assembled and tested on the assembly line; row of telephones passing by on the conveyor belt; african american women packing boxes by... - 1940 1949 個影片檔及 b 捲影像01:29
tracking view of various bins passing by on the conveyor belt inside factory - 1940 1949 個影片檔及 b 捲影像01:31
wires, pipes, and telephones moving along the conveyor belt inside factory - 1940 1949 個影片檔及 b 捲影像00:57
two men in suits talking inside factory while conveyor belt moves overhead; various views of men transporting and setting up big banks of circuitry,... - 1940 1949 個影片檔及 b 捲影像01:41
man checking file cards on the wall, time stamping them, and put them inside bin on conveyor belt; man checking paperwork behind desk as another... - 1940 1949 個影片檔及 b 捲影像00:43
woman worker working on telephone assembly line; woman with gloves turning dials and testing handsets; busy factory floor with workers packing up... - 1940 1949 個影片檔及 b 捲影像01:31
football players practicing on the field of an empty stadium under the sun - 1940 1949 個影片檔及 b 捲影像01:06
bell logo on the glass door; woman lecturing class full of women on the diagram on the chalkboard; telephones passing by on the conveyor belt; metal... - 1940 1949 個影片檔及 b 捲影像01:29
housewife sitting on the sofa while child crawls on the carpet in the living room; woman walks to the telephone while writing on notepad, talks to... - 1940 1949 個影片檔及 b 捲影像00:58
large crowds watching football game inside stadium, crowd forming patterns; football players running in the field and crowds standing up and cheering - 1940 1949 個影片檔及 b 捲影像01:25
woman crumbles piece of foil and weighs it on small scale; worker working in the background; close up of scale being used - 1940 1949 個影片檔及 b 捲影像00:46
worker spray painting machinery; group of men talking in front of the freezer; man opening freezer and help another man roll out machinery - 1940 1949 個影片檔及 b 捲影像00:50
black rotary phone on the table and hand picks up the receiver; still images of circuitry, pipes, and circuits - 1940 1949 個影片檔及 b 捲影像00:53
football coach explaining tactics on blackboard to players inside classroom - 1940 1949 個影片檔及 b 捲影像00:17
worker placing file card inside bin of parts on the conveyor belt; man checking card slots on the wall; man in suit behind office desk looking... - 1940 1949 個影片檔及 b 捲影像01:34
animation of large factory appearing on the map of u.s., emitting dotted lines connecting u.s. cities - 1940 1949 個影片檔及 b 捲影像00:10
sacks and crates being transported by forklift inside busy warehouse full of workers - 1940 1949 個影片檔及 b 捲影像01:19
worker cleaning the floor in front of piles of wires; ceiling crane transporting large coils of wires into storage assisted by workers on the ground;... - 1940 1949 個影片檔及 b 捲影像01:39
bins passing by on the conveyor belts filled with various items by workers - 1940 1949 個影片檔及 b 捲影像01:01
row of female operators with headsets working in front of switchboard while supervisor walks behind them - 1940 1949 個影片檔及 b 捲影像00:55
close up of wire being soldered onto connector; man standing in front of machine with dials; close up of dials turning - 1940 1949 個影片檔及 b 捲影像01:11
man loading spools of cable onto hand truck inside storage room; coils of wire sliding onto the conveyor belt inside factory; man standing in front... - 1940 1949 個影片檔及 b 捲影像00:45
dials turning on machinery and woman taking notes while looking at something off camera - 1940 1949 個影片檔及 b 捲影像00:32
woman workers sitting in front of metal frames working on circuits and wires; close up of woman soldering wire to the connector - 1940 1949 個影片檔及 b 捲影像00:49
man with clipboard standing by the doorway and writing, worker pulling cargo passing by; sacks being stacked together labeled "product of british... - 1940 1949 個影片檔及 b 捲影像00:28
man removing something from safe and closing it; man weighs can on a scale; younger workers collecting items from warehouse shelves and placing them... - 1940 1949 個影片檔及 b 捲影像01:26
machinery wrapping cloth around coil of wires and worker rolling it away; large wire coils being unspooled upward; copper bar passing by on the... - 1940 1949 個影片檔及 b 捲影像01:05
man with pliers grabs hot copper and plugs it into another machine; cables being made and transported on the conveyor belt; workers tying them and... - 1940 1949 個影片檔及 b 捲影像01:17
coils traveling through the factory through overhead crane, workers passing by underneath; liquid running through wires; various close up views of... - 1940 1949 個影片檔及 b 捲影像01:40
man placing web of wire and circuits into metal frame; woman operating dials and knobs; hands working on cylindrical piece with pliers - 1940 1949 個影片檔及 b 捲影像01:36
two women workers placing top on round assembly and woman adjusting dials and controls - 1940 1949 個影片檔及 b 捲影像01:04
workers with pliers gripping copper cables; cables running through liquid; spool of cable put into machine and wrapped; worker sitting in front of... - 1940 1949 個影片檔及 b 捲影像00:52
coils being dipped in acid bath and lifted by overhead cranes; coil rinsed then dipped in steaming water - 1940 1949 個影片檔及 b 捲影像01:30
tilt up view of bombed european ruin; military cemetery with half mast american flag, tropical trees in the background; spinning globe - 1940 1949 個影片檔及 b 捲影像00:33
still view of disassembled machinery with inner working displayed; panel with dials and spinning needles; woman tightening wires on cylindrical... - 1940 1949 個影片檔及 b 捲影像01:17
machinery with knobs, gear cranks, and views rotating while being hosed off - 1940 1949 個影片檔及 b 捲影像00:51
hot copper bar traveling through machinery and compressed into thin cable - 1940 1949 個影片檔及 b 捲影像00:56
hands turning interlocking gears and are fitted into case; woman lifting web of wires off the wall and walking away - 1940 1949 個影片檔及 b 捲影像01:15
workers tying together coils of wire on the conveyor belt; worker loading wire onto overhead crane and wire is dipped into acid bath, label "position... - 1940 1949 個影片檔及 b 捲影像00:49
