Annual report of the director of the Bur
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Article
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1924
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Elsevier Science
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English
โ 104 KB
547 25 to 30, 30 to 40, 40 to 50, 5 ยฐ to 60, 60 to 7 o, 85 to IOO, IOO to I2O, I2O to 15o, 15o to 2oo; for joint filler for various types of construction : 3o to 5o, 5 ยฐ to 6o, 6o to 7 o, 85 to IOO. The first is used primarily for brick pavements and does not require the admixture of sand, whereas