not stood the test of at least three hot summers | sticky ink on a sheet of glazed wave paper; over this strew and three cold winters. These precautions being taken, the | author was of opinion that a well laid surface of compressed | brush off the superfluous sand, and place a damp sheet of… … constant vigilance. Inferior cement was put into casks Fig. 9.—Plant Standard, empty. bearing established brands, and the concrete made with such cement was put down in thinner layers than was paid for. Portland cement concrete, 6 inches to 9 inches thick, was | it is only suited for line work,…
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