case use over250 grains. Make the mixed cement into a cake about3 inches in diameter, y2 inch thick in center and taper-ing to a feather edge. Make the cake upon a clean glassplate. Place the cake in a damp chamber or cover itwith a wet cloth for 24 hours, then place it in a rackand cover with… … Fig-. 63—RANSOME CEMENT BOILER AND RACK.List price, $25.00. io6
Ransome Concrete Machinery Co. -- Catalogs. Concrete construction -- Equipment and supplies
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