Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 207
Two Mazda types of such lamps,as furnished by the British Thomson-Houston Co., Ltd., are illustrated. Bothlamps have ring filaments and can beoperated in any position. … Fig. 1.—Mazda Gas-filled Lamp, 40-watt, 100-130 volts. (Approximate overall dimensions, 4f in. by 2£ in.) Fig. 2.—Mazda Gas-filled Lamp, 60-watt, 200-260 volts. (Approximate overall dimensions, 5f in. by 2f in.) Messrs. FALK STADELMANN & Co., Ltd. H. & H. HART-SNAP SWITCHES. A…
Lighting
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