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 309
out ofbar metal, and is screwed to the body as shown. 74. In Fig. .61 (<?) is shown a gas swing joint that isconstructed with one cast and one turned-metal fitting. Thearm is connected to the turned-metal fitting, and the castfitting is held in position by a screw and washer the same asa key.… … Fig. 61 §42 LIGHTING FIXTURES 57 position by a perforated screw a and a washer b, and thebushing, or plug, c is employed to conceal that part of thefitting which was drilled to allow the screw and washer to beplaced inside. Wires are run through this fitting as shownat d, and when they are inserted…
Building · Building materials · Architectural design · Lighting, Architectural and decorative
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