Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 453
3 Scateoffeet 3 3 Scale of Metres Vl'-7^\ Pedestal casting Elev.of Street Surface 15.97^-3 J SteeTplate 26"x8"x3/4 c12"Gas pipe ■Hole in concrete for 12"Gas pipe Wrot Iron Plate V-10"x4"xl<'' Bolts! %' diameter ■■Eleu.4.5 Note: Foundation-Portland Cement Concrete- 1:2^:5 ELEVATION … "o^^ \TION" FOR THE ELEVATED STRUCTURE OF THE BOSTON ELEVATED RAIL- WAY. Special Design.
Engineering
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