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 310
rely shut ofiE, and when it is turned toextinguish the light, enough gas is allowedto pass to maintain a small peep of flame atthe tip of the burner. In order to preventthis flame being extinguished by drafts ofair, it is enclosed by a cap, or globe, g. Fig. 62 When the burner is in full operation,… … 58 LIGHTING FIXTURES §42 lower end a is a socket, threaded and soldered to fit the ordi-nary fixture. The fixture to which this burner is attachedmust be provided with a key, as usual, so that the burnermay be entirely turned off if desired. 79. Sun lights, and other large groups or clusters…
Building · Building materials · Architectural design · Lighting, Architectural and decorative
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