The Standard Bushel contains 2150.42 cubic inches, or 77.627013 pounds avoirdupois of pure water at maximum density. Its legal dimensions are 181⁄2 inches Diameter inside, 191⁄2 inches cutside, and 8 inches deep; and when heaped, the cone must be 6 inches high, making a heaped bushel equal to 14 struck ones. The standard gallon measures 231 cubic inches, or 8.33888 lbs. avoirdupois of pure water, at about 39.85 degrees Fahr., the barometer at 30 inches. Cylinders of the following sizes are closely approximating measures. COPYING PRESSES A SPECIALTY T. Shriver & Co. 333 East 56th St., Near 2d Ave., New York, MANUFACTURERS OF COPYING PRESSES OF ALL SIZES. Presses for Railroad Use Specially, 10x13, 12x16, 15x20, 17x22, 22x24. THIS CUT REPRESENTS OUR LARGE STEEL ARCH COPYING PRESS, DESIGNED ESPECIALLY FOR RAILROAD, EXPRESS, AND TRANSPORTATION COMPANIES USE, The Arch is of Steel; the Bed Plate is braced by our Patented Method, giving very great strength; and all the parts are of proportions to bear the heaviest work in copying large WAY BILLS, MANIFESTS, &c. Address T. SHRIVER & CO., 333 East 56th Street, New York. 1. To find the area of any regular polygon. Square one of its sides, and multiply said square by the number in 1st column of the following table. 2. Having a side of a regular polygon, to find the radius of a circumscribing circle. Multiply the side by the corresponding number in the 2d column. 3. Having the radius of a circumscribing circle, to find the side of the inscribed regular polygon. Multiply the radius by the corresponding number in 3d column. Number Angle con two sides. 1 Area 2 Radius. 3 Side =RX tained betw'n 1. 1.4142 1. .684 .618 ... In the heads of the columns in above table, S side, and R = Radius. 135° 144° 147.27° 150° 2.5891 3.6339 4.8284 6.1818 7.6942 ... 1.3 66 1.4619 1.618 1.7747 1.9319 Undecagon.... Dodecagon.. ESTABLISHDD 1836. SIDNEY SHEPARD & CO. PROPRIETORS OF THE BUFFALO STAMPING WORKS, MANUFACTURERS OF Tinned and Wrought Iron French Ware, STAMPED and JAPANNED TIN WARE. DEALERS IN HARDWARE and METALS, TINMEN'S TOOLS, MACHINES and FURNISHING GOODS. 68 MAIN STREET, BUFFALO, N. Y. ORRIN L. GRIDLEY, MANUFACTURER OF Rail Road Lanterns, PATENT EVERLASTING. Machine Oilers, AND Transportation Cans. 46 LLOYD STREET, BUFFALO, NEW YORK. HOWE'S SCALES, OF ALL SIZES AND STYLES, SUITABLE FOR Railroads, Heavy Manufacturers and Others. ALSO, TRUCKS OF ALL VARIETIES, BAGGAGE AND EXPRESS BARROWS, FIRE AND BURGLER PROOF SAFES and VAULT WORK. W. A. DOBINSON & CO. 86 MAIN STREET, BUFFALO, N. Y., MANUFACTURERS' AGents for Western New York, North Western Pennsylvania, Ohlo and Ontario. The circle contains a greater area than any plane figure, bounded by an equal perimeter or outline. The areas of circles are to each other as the squares of their diameters. Any circle whose diameter is double that of another contains four times the area of the other. Area of a circle is equal to the area of a triangle whose base equals the circumference, and perpendicular equals the radius. MENSURATION OF SOLIDS. = area of one end X length. = square root of the height added to three — area of base × 1-3 perpendicular height. = sum of the areas of the two ends + square = area of base × 2 perpendicular height. = thickness + inner diameter, X square of the thickness, × 2.4674. Side is length of linear edge of any side of the figure. 1.-Radius of Circumscribed Circle = Side multiplied by the number in 1st column corresponding to figure. 3.-Radius of Inscribed Circle = Side multiplied by the number in 2d column corresponding to figure. 3.-Area of Surface Square of side multiplied by the number in 3d column cor. = responding to figure. 4.-Cubic Contents Cube of side multiplied by number in 4th column corresponding to figure. |