San Francisco : Architect and Engineer, Inc · leaf 33
F. Hegner, President; C. Gordon Sweet, Vice President;Norton Polivnick, Secretary; Richard Williams. 1 leasurer. Di-rectors: James M. Hunter. Robert K. Fuller. Edward L. Bunts.Office of Secy.. 1225 Bannock St.. Denver. Colorado. Jevada Chapter: RENO: Edward S. Parsons. President; Laurence A.… … of tested j | processes 3(t5(l{ite LightweightMasonry Units are manufactured byexactingproduction-line methods, withlightweight (coated, rounded-particle) expanded Shale aggre-gate, to high standards of uni-formity. This is solid assurance that every Basalite Unifcontains—high compressive strength…
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![An illustration from M. Vitrvvii De architectvra libri decem : nuper maxima diligentia castigati atq[ue] excusi : additis Iulij Frontini De aqueductibus libris propter materiae affinitatem (1522)](https://img.insideoutlibrary.com/img/200/ia-mvitrvviidearchi00vitr-73-24.webp)
