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  • BS 1546:1963

BS 1546:1963

Specification for electric lamps for lighthouses

BSI Group, 04/30/1981

Publisher: BS

File Format: PDF

$90.00$180.34


Published:30/04/1981

Pages:17

File Size:1 file

Note:This product is unavailable in Ukraine, Russia, Belarus

Tungsten filament lamps for use in lighthouse optics and similar beam projection apparatus on d.c. or single-phase a.c. supplies. Operating voltage 100 V but some lamps for operation on 240 V mains supply and some for battery operation at 50 V. Pre-focus caps, lamp rating and reference number, dimensions, filament dimensions and shape, nominal efficiency, nominal voltage, luminance, nominal average life. Selection of lamps, duration of flash, and lamp apparatus under reduced voltage appended.

All current amendments available at time of purchase are included with the purchase of this document.

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