QUAD Industrial and Commercial Lighting Catalog and Price List No. 4
- Author(s): Quadrangle Mfg. Co.
- Category: Tools
- Publisher: Quadrangle Mfg. Co.
- Publish year: 1930
- ISBN: 9678000014702
- Number of Pages: 64
The selection of proper equipment for the general illumination of any working area should be largely governed by the nature of the work or business to be conducted. For example, certain manufacturing operations in the textile industry seem to proceed best under Indirect lighting. In other lines of work Direct lighting appears to be the most practical form of illumination.
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COVER
INTRO
ILLUMINATING DATA
THE SLIDING ADJUSTABLE SOCKET
GLASSTEEL DIFFUSER
REFLECTORS
NUMERICAL INDEX
PRICE LIST APPLYING TO CATALOG NO.4