<div class="description">
<dl><dd>Includes index</dd>
<dd>Introduction -- First prize paper, Engineering news competition / by H.H. Rice -- Second prize paper, Engineering news competition / by Wm. M. Torrance -- Extracts from other papers submitted in Engineering news competition -- Appendix I: Rules and regulations covering the manufacture and use of hollow concrete building blocks in the city of Philadelphia; Specifications governing method of testing hollow blocks -- Appendix II: List of manufacturers of concrete block machines, molds and tools</dd></dl><br>Subjects: Concrete blocks</div>
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<dl><dd>Rice, H. H. (Herman Howard), b. 1870</dd>
<dd>Torrance, Wm. M. (William M.)</dd></dl></div>
Internet Archive identifier