Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 775
theory are theonly practical tests that can be made.They prove, as no theoretical discus-sion or laboratory research could everprove, that the industry is still in it»infancy when it comes to getting the.most out of Portland cement. Novo Power, January edition. Is de-voted to Novo road building… … Equipped by Clyde hasbecome a mark of distinction inthe construction field. Moreand more are complete Clydeoutfits being purchased. Theresulting splendid service justifiesthe expenditure. Illustrated here is a Clyde 20-ton guy derrick with a I I 5 foot boomoperated by a Clyde two drum electric…
Architecture · Building · Construction industry · Engineering
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