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Show FACTS FOR BUILDERS. BRICKS REQUIRED TO CONSTRUCT ANY BUILDING. (Reckoning 7 Bricks to each Superficial Foot.) The first column contains the price, per box, of tin; the second column shows the cost of tin per square (100 square feet) of surface; and the third column shows the cost of tin per square foot of surface. 1000 shingles, laid 4 inches to the weather, will cover 100 square feet of surface, and 5 pounds of shingle nails will fasten them on. One fifth more siding and flooring is needed than the number of square feet of surface to be covered, because of the lap in the siding and matching. 1000 laths will cover 70 yards of surface, and 11 pounds of lath-nails will nail them on. Eight bushels of good lime, 16 bushels of sand, and 1 bushel of hair will make enough good mortar to plaster 100 square yards. A cord of stone, 3 bushels of lime, and a cubic yard of sand will lay 100 cubic feet of wall. Five courses of brick will lay 1 foot in height on a chimney; 6 bricks in a course will make a flue 4x12 inches; and 8 bricks in a course will make a flue 8x16 inches. Cement 1 bushel and sand 2 bushels will cover 3 1/2 square yards 1 inch thick, 4 1/2 square yards 3/4 inch thick, 6 3/4 square yards 1/2 inch thick. One bushel cement and 1 of sand will cover 2 1/4 square yards 1 inch thick, 3 square yards 3/4 inch thick, and 4 1/2 square yards 1/2 inch thick. TO TELL TIME OF TIDE. The time of high water at the places following may be found approximately for each day by adding or subtracting from the time of high water at New-York the hours and minutes annexed. EXAMPLE.-To ascertain at what hour it will be high tide at Sandy Hook on the 1st of July, find first the time of high water at New-York under that date, and then subtract 32 minutes, as found in above table opposite Sandy Hook; the result is the time of high water required. WEATHER SIGNALS. When black triangular flag is placed above white or blue flag it indicates warmer; when placed below, colder weather. For example -3, 1, 2 indicates warmer, fair weather, followed by rain or snow. |
