Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 217
Fig. 1.—Typical Blanchard PortableLamp for Indoor or Outdoor Use(300 c.p.). … Fig. 2.—Lamp Arranged on StbelTripod at Height of Nine Feet. •?* rCi ILLUNHNATINGENGINEER rn dS>//&a-jO XJ LEON GASTEP^ 10/6 Yearly. TMfc JOURNAL OF aCIENTIFlO ILLUMINATION. OFFICIAL ORGAN OF THE ^Humiliating Engineering Soctetp. (Founded in London 1909.) ILLUMINATING ENGINEERING PUBLISHING…
Lighting
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