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Light and lighting (1908)
Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 516
135* 130 165 ISO* 63 ISO* Q5 Fig. 2.—Mazda Half-watt lamp inAlba lantern with over-reflector. … Fig. 3.—General view of new Mazda patentstreet-lighting unit (with street-lighting equipment patent No. 21485/12).Lighting
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