Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 492
GINEERING DRAWING. 475 vault beneath ; the objection to it is that by wear and under certain atmosphericconditions it becomes slippery. Cement face, with a base of concrete and laid in squares to admit of expan-sion, makes a good and permanent walk. For the country a composition ofcoal tar, or… … Fig. 1122. This space is available for pedestrians, a part being a gravel, asphalt, or flaggedwalk. The following are the dimensions according to the law of June 5,1856 : Entire width ofboulevard and Width ofcarriage-way. Width ofsidewalk. Width fortrees. Rows oftrees. , DISTANCE OF ROW FROM…
Mechanical drawing
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