NPFC - W-L-311
LIGHT, DESK, INCANDESCENT, FLEXIBLE COLUMN
| Organization: | NPFC |
| Publication Date: | 14 January 1959 |
| Status: | inactive |
| Page Count: | 8 |
scope:
This specification covers flexible-arm, incandescent, electric desk lights, with weighted base or screw-clamp base.
Desk lights covered by this specification shall be of the following types and classes (see 6.2).
Type I.-Lights, desk, weighted base. Class 1.-Light, desk, weighted base with parabolic-shaped reflector. Class 2.-Light, desk, weighted base with trough-shaped reflector. Type II.-Lights, desk, screw-clamp base. Class 1.-Light, desk, screw-clamp base with parabolic-shaped reflector. Class 2.-Light, desk, screw-clamp base with trough-shaped reflector.
intended Use:
The lights are intended for use on desks, tables, benches, machines, et cetera to shield the light from the worker's eyes and direct maximum intensity on the work area.
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