Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 611
oth pole ends aretwo detachable contact-pins on specialsprings, which fonn the contact for thecurrent to the glow lamps. This patentedarrangement prevents the prejudicial oxi-dizing of the contacts, as these can beeasily cleaned by immersions in warmwater. The accmnulator is separated byan… … view of C.E.A.G. lamp. pressed into it. The casing is cylin-drical in shape, of somewhat conical form.(3) The top part of the lamp is fastenedwith a bayonet joint on to the bottomeasing, and is therefore easily detachable.The lamp is locked with a magneticlock, which can only be opened by astrong…
Lighting
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