This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1917 Excerpt: ...the asbestos. Under the tripod shall be placed a Bunsen burner so regulated that the tip of the flame will just reach the shingle. The shingle shall be allowed to remain there for one minute, subjected to the action of the flame. Upon removal, the shingle must not burn or show a glowing surface or a deeply checked or ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1917 Excerpt: ...the asbestos. Under the tripod shall be placed a Bunsen burner so regulated that the tip of the flame will just reach the shingle. The shingle shall be allowed to remain there for one minute, subjected to the action of the flame. Upon removal, the shingle must not burn or show a glowing surface or a deeply checked or charred condition of the wood. For comparison, a blank test may be made with an untreated shingle of the same grade and kind of wood. Torch Test.--A shingle shall be placed with the shankedge resting upon a tripod, the butt upon the table, at an incline of approximately 45, thus corresponding to the position in which it would be placed upon a roof. A Bui.sen burner shall be placed in a horizonal position, with the top within y2 inch of the shingle at a point 5 inches from the butt. The free flame of the burner shall be allowed to strike the shingle. At the end of one minute the flame shall be removed. Painted shingles shall not show any deeply checked or charred condition of the wood below the paint. Blank tests should be made with untreated shingles of the same wood, for comparison and to determine the efficiency of the paint. Fig. 106. Fire Test. Effect of Fire Upon Shingle Strips. No. i, untreated, and Xo. 2 were not subjected to the test. Nos. 5, 6, and 7 are strips of untreated shingles, showing effect of test. No. 3 and No. 4 were painted. Note effect of paint in preventing the combustion of the shingle strips. Cinder Test.--For this test there will be required an iron nut of approximately the following dimensions: 13/16 inch square, height 7/16 inch, bore l/i inch. The nut shall be placed upon iron gauze resting upon a 9-inch tripod, and subjected to the free flame of a Bunsen burner for two minutes. The nut shall be removed with a pair ...
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Seller's Description:
Near Fine. First edition. Navy blue cloth with spine lettered in gilt. 384 pp. with index. Illustrated with photographs (including microscopy) and charts. With one plate with 16 color paint sample strips affixed. Professional study of various researches in the field of paints and their practical application in manufacturing and use, including information of types and properties of certain paints, storage, effects of heat, time, etc. Gardner was a recognized expert in this subject. This scarce work has particular interest today among antiques and achitecural restorers and makers of high quality reproductions. SA tight, near fine example, previous ownership signature front free endpaper and old ownership stamp of a New Jersey manufacturing firm on front pastedown and bottom edge of text block.
