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Thomas Edison looks at a spherical photometer in a laboratory of General Electric company in the United States.

American inventor Thomas Alva Edison at General Electric company in the United States. Edison with officials in a laboratory of the company. A spherical photometer by which the illuminating ability of a lamp may be accurately measured. Edison and the men watch a woman operating the photometer. Edison looks into the photometer. He looks at many lamps being tested in the laboratory.

Location: United States USA
Date: 1923
Duration: 1 min 25 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675050974
Thomas Edison meets Dr. W. R. Whitney in a research laboratory in Schenectady, New York.

American inventor Thomas Alva Edison at General Electric company in the United States. A bulb on a table. Edison and men watch a man working on a machine. He looks at workers making light bulbs. Several women seated at desks and working on machines. Edison arrives at a research laboratory in Schenectady, New York. He is greeted by Dr. W. R. Whitney who is the director of research. They shake hands. Officials seated at a desk. Whitney hands a pen to Edison. Edison writes in a book. Whitney and Edison in the laboratory. Edison examines a filament and listens to Whitney.

Location: Schenectady New York USA
Date: 1923
Duration: 3 min 24 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675050975
Physicist William David Coolidge explains about a machine to Thomas Alva Edison in the United States.

American inventor Thomas Alva Edison at General Electric company in the United States. Invention of X-ray tube by American physicist William David Coolidge. A man holds a X-ray tube. He also invented ductile tungsten. Coolidge explains about a machine to Edison and Charles Proteus Steinmetz. View of a bulb.

Location: United States USA
Date: 1923
Duration: 1 min 1 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675050976
Thomas Alva Edison meets Dr. Irving Langmuir and discusses with him in the United States.

American inventor Thomas Alva Edison at General Electric company in the United States. Edison meets Dr. Irving Langmuir, the inventor of gas filled incandescent lamp. Dr. Langmuir and Edison look at lamps in the laboratory. Langmuir shows a large light bulb to Edison. They discuss. Langmuir explains about a high power vacuum tube to Edison. A hand holding a radio tube.

Location: United States USA
Date: 1923
Duration: 1 min 30 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675050977
Thomas Edison meets Dr. Charles Proteus Steinmetz and talks to him in the United States.

American inventor Thomas Alva Edison at General Electric company in the United States. Edison meets German-American mathematician and electrical engineer Dr. Charles Proteus Steinmetz . They walk in the plant yard. Men walk behind them. Edison, Steinmetz and men in a laboratory. They discuss. A block of wood on a table. The block disappears, reappears and falls over. A porcelain insulator breaks. Edison and Steinmetz talk seated at a desk. They look at equipment and discuss. Edison, Steinmetz and other man seated in an open car. A crowd of workers stands nearby. An early incandescent lamp.

Location: United States USA
Date: 1923
Duration: 2 min 51 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675050978
Men and women work in factory producing chewing gum in the United States.

Production of chewing gum in the United States. Workers pour ingredients into a large mixer. They place gum into a machine and cut strips into blocks. Blocks are rolled into slabs. A roller scores the slabs of gum. Women break slabs into individual sticks. A machine wraps the sticks of gums into packages. The machine scores the slabs.

Location: United States USA
Date: 1919
Duration: 3 min 21 sec
Sound: No
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675050979
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