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Demonstrator Near Lit Blind Display

(Original Caption) Fluorescent lighting tubes mounted at a laboratory set up give the impression of a luminous Venetian blind, as a technician tests ballast units at a plant of General Electric. The ballasts supply the surge of power needed to start the lamps, then sharply reduce power for continous operation.
(Original Caption) Fluorescent lighting tubes mounted at a laboratory set up give the impression of a luminous Venetian blind, as a technician tests ballast units at a plant of General Electric. The ballasts supply the surge of power needed to start the lamps, then sharply reduce power for continous operation.
Demonstrator Near Lit Blind Display
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Credit:
Bettmann / Contributor
Editorial #:
517791752
Collection:
Bettmann
Date created:
December 20, 1954
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License type:
Rights-managed
Release info:
Not released.ÌýMore information
Source:
Bettmann
Object name:
u1075949.jpg
Max file size:
3443 x 4138 px (11.48 x 13.79 in) - 300 dpi - 8 MB