Lighting unit, photographic

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Ingenium, 1976.0251.002
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OBJECT TYPE: N/A
DATE: 1950
ARTIFACT NUMBER: 1976.0251.002

MANUFACTURER: General Electric Co.
MODEL: Unknown
LOCATION: Hoboken, New Jersey, United States of America

More Information

General Information

Serial #: N/A
Part Number: 2
Total Parts: 4
AKA: N/A
Patents: N/A
General Description: Metal lighting unit

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: N/A
Width: N/A
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Printing
Category: Duplication
Sub-Category: N/A

Manufacturer

AKA: General Electric
Country: United States of America
State/Province: New Jersey
City: Hoboken

Context

Country: Unknown
State/Province: Unknown
Period: Unknown
Canada: Used by Mapping Branch of federal department of Energy, Mines and Resources.
Function: Unknown
Technical: Example of a photographic system once commonly used for copying documents. Main unit consists of the camera, which contains a roll of photosensitive paper, a built-in paper cutter, and trays containing fluids for developing and fixing the exposed image. A darkroom is not required. The resulting copy, or "photostat" is a negative image. The operator makes positives by copying this negative. Although focus and exposure settings are simplified, Photostat machines do require a trained operator. For this reason, and because the copying process is slow and the chemicals and paper expensive, Photostat machines were rendered obsolete by the perfection of dry process, electrostatic copiers like the Xerox.
Area Notes: Unknown

Details

Markings: N/A
Missing: From CA of 03/15/2002 by David Daley: No - Complete
Finish: Unknown
Decoration: N/A

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If you choose to share our information about this collection object, please cite:

General Electric Co., Lighting unit, photographic, circa 1950, Artifact no. 1976.0251, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1976.0251.002/

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