Building stone, lathing, plastering, and tiling, common brickwork, ornamental brickwork and terra cotta : lighting fixtures, use and design of lighting fixtures, architectural design (1909)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 260
to per-mit the necessary connections to bemade. The arm b, which is made ofmetal tubing not less than f inch indiameter, is fitted to the bracket backand capped with a t-inch brass e7id{itting c; this fitting supports the j|||socket d, and the incandescent lamp e. In Fig. 8 is shown a bracket that… … Fig. 7 8 LIGHTING FIXTURES 42 installed they prevent the contact of the wires with the steelor iron used in buildings. In the event of contact, the cur-rent would become either grounded or short-circuited if the junction box and in-sulating joint werenot used. The componentparts of an…
Building · Building materials · Architectural design · Lighting, Architectural and decorative
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