Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 241
This is the cover of a leaflet recently issuedby the Edison and Swan United ElectricLight Co., summarising the cost, advan-tages, and special applications ofEdiswan Fans. … The ■ Petroma.x Lamp. THE ILLUMINATING ENGINEER (may) 235 A NEW REFLECTOR FOR INDUSTRIALLIGHTING. The design of good reflectors forfactory lighting has much attentionrecently. Such a reflector is severelytested in practical use. Besides havingsatisfactory qualities as a distributor oflight, it…
Lighting
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