Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 163
that have been used 134 THE ILLUMINATING ENGINEER. are made up as sho^\ii in Fig. 12.The signs are constructed of a framing,usually of picture moulding, with, acarrier board arranged at right anglesat the to23 of the back, and on thisboard are fixed the lamp-holders—i^re-ferably of a spring ty^je.… … Fig. 13.—Showing a type of lamp speciallydesigned for illuminatiug from the outside a closelydressed window. wording of the stencils is such asto denote that the portion of thecounter innncdiatcly under is the onefor dealing with the goods mentioned.The stencil plates being removal)le. afew spare…
Lighting
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