Identifier: architectenginee6220sanf (find matches)
Title: Architect and engineer
Year: 1905 (1900s)
Authors:
Subjects: Architecture Architecture Architecture Building
Publisher: San Francisco : Architect and Engineer, Inc
Contributing Library: San Francisco Public Library
Digitizing Sponsor: San Francisco Public Library

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imneys, irrespective ofluhich materials the walls arebuilt, shall be lined with fireclay fine lining or with firebrick. The lining shall be madefor the purpose and adaptedto withstand high tempera-tures and the resultant gasesfrom burning fuel. FromAn Ordinance for Construc-tion of Chimneys recom-mended by the National Boardof Underwriters, 1920. Oust a Cruel FIRE-BUG! Statistics show clearly that the most prolificfire-bug in residences is the unlined chimney.From one-fifth to one-third of the fires thatendanger homes originate in chimneys. FireClay Flue Lining insures the safety of thefamilies of your clients against the worst singlecause of fires. A few dollars per chimney is allit costs. A trifle to include — an importantthing to specify. Write for a copy of the 1920 recommendationsof the National Board of Fire UnderwritersCommittee on Construction of Buildings. CLAY PRODUCTS ASSOCIATION PITTSBURGH CHICAGO (Los Angeles Pressed Brick Co., Los Angeles, Member) FIRE CLAY FLUE LINING
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28 THE ARCHITECT AND ENGINEER Necessity for Oil Conservation Mr. Wm. F. Drew, a mechanical en-gineer with offices at 68 Post Street, SanFrancisco, has addressed the followinginteresting letter to Mr. H. C. Butler,State Power Administrator, Flood Build-ing, San Francisco: Dear Sir: —In view of the fact that the avail-able supply of fuel oil is rapidly decreasing andthe price increasing at a very rapid rate, I feelconstrained to call your attention to the necessityfor conservation in the use of this oil and themeans by which such conservation can be ac-complished. Chemistry teaches us that there are certain de-fined hydrogen gases of a certain defined quantityor volume that are generated by the action of heatwhen applied to fuel oil that are not combustibleunless brought into direct contact and mingledwith a diffused and accurate volume of oxygenwhich can only be supplied by a certain accuratevolume of fresh air. A survey of some of the larger oil burning steamplants shows that there

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