Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 133
e curb lines. The spans were finallydetermined as shown. 106 CEMENT CONSTKUCTION (2) The head-room or clearance, which is 12 ft. and12 ft 6 in. above established grades in subways. (3) The bridges being at the eastern end of theWestern Ave. yard, it was very desirable that they be sodesigned that… … ,s.-J[ km^°°°^ ,^^ Cros^ Section of Subway
Architecture · Building
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