San Francisco : Architect and Engineer, Inc · leaf 328
ommittee of the National Society. The subject of lire as related to timber constructionand insurance is not new, but one of the recent note-worthy developments in timber engineering is a moveon the part of the timber industry and the engineer-ing professions to gather data and evaluate the… … when added +o concretegreatly Increases worlc- DAREX AEA (Air Entraining Agent),mixture, produces an action which ability, even with less water. The cohesive mixture slips smooth-ly Into place just as though it contained billions of ballbearings. DAREX AEA produces Controlled Air In…
Architecture · Building
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