To lay cedar shingles on oak laths is worth eleven dollars and twenty-five cents - square.. To lay pine bunched shingles on hemlock boards, is worth eight dollars and fifty nts. To lay mill-worked white pine, 14 inches thick, is worth fifty cents per square, material not included.) 600 twent 16 × month To plane, rebate, take to widths, and put on, common Albany weather-boarding, 3 worth three dollars per square. To frame and raise timber for common dwellings, is worth one dollar per 100 Feet. In water, sound passes 4,766 feet per second. In air, 1,146. The greatest force produced by the wind on a vertical wall, is equal to forty pounds to the square foot. It requires 14 bricks to lay 1 foot in length and 1 foot in height of an 8 inch wall; 20 bricks for a 12 inch wall, and 27 bricks for a 16 inch wall. Good North River bricks are worth twelve dollars per 1000 laid in a wall. One perch of stone wall is 25 cubic feet, and is worth three dollars and fifty cents. Two coats of plastering, with a hard finish, on laths, is worth thirty-seven and a-half cents per square yard; on bricks it is worth twenty-five cents per square yard. A Winchester bushel is 181 inches in diameter, 8 inches deep, and contains 2,150 cubic inches. part a The AG Half Sever Quar is nearl the sam Pure pure an tinually the fire. time in t MISCELLANEOUS RULES AND NOTES. 5,280 feet make one mile. Steel wire will sustain 39,000 feet of its own length. 135 600 cubic feet of hay, if well packed, will weigh one ton; but in deep bays, 0, and even 400, in some cases, will weigh as much. It requires eleven months to season, in the open air, a piece of timber 10 feet ng and 6×6 inches in thickness; fifteen months for a piece of the same length ad 8 × 8 inches in thickness; twenty-two months for the same 12 x 12 inches; venty-five months for the same 14×14 inches; twenty-nine months for the same 6×16 inches; thirty-two months for the same 18 × 18 inches; and thirty-six months for the same 20 × 20 inches. The standard for Federal money of gold and silver is 11 parts fine, and 1 The full weight and value of the English gold and silver coin is as follows: The usual value of gold is nearly £4 an ounce, or 2d. a grain; that of silver is nearly 5s. 3d. an ounce. The value of any quantity of gold is to the value of the same weight of standard silver, nearly as 15 to 1, or more nearly, as 151 to 1. Pure gold, free from mixture with other metals, usually called fine gold, is of so pure a nature, that it will endure the fire without wasting, though it be kept continually melted. But silver, not having the purity of gold, will not, like it, endure the fire. Fine silver will, however, waste but little, if suffered to remain a moderate time in the fire. |