Lighting system for use in a photographic enlarger

Details Lighting system for use in a photographic enlarger Lighting system for use in a photographic enlarger

1982-04-19

1985-01-01

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Illumination systems or details

355 71, 355 18, G03B 2754

Patent

active

044914105

ABSTRACT:
Lighting system of a photographic enlarger having a discharge lamp in the form of a compact fluorescent low-pressure mercury vapor discharge lamp. The house of the lighting system is provided with a window holding a colored plate at the side remote from the enlarger. The lighting system then also functions as a dark room lamp.

REFERENCES:
patent: 162759 (1875-05-01), Marcy
patent: 1784097 (1930-12-01), Hayden
patent: 2176625 (1939-10-01), Friedman
patent: 2258014 (1941-10-01), Kallusch
patent: 3813569 (1974-05-01), Verstegen et al.

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