Textile Calculations, Manufacture and MechanismSir I. Pitman and sons, limited, 1920 - 427 páginas |
Términos y frases comunes
36 inches antilog Bradford Bradford System calculate centre change wheel circle circumference cloth coordinate cost cotton counts crank cubic cubic foot curve cylinder distance Doffer Draft drams draw Drivers ends and picks ends of warp ends per inch equal equation equivalent EXAMPLE feet find the counts front roller graph hanks of twist healds Hence hypotenuse lay-pin line shaft logarithms loom pulley measured mohair Multiply number of ends number of hanks number of picks Number of teeth Number of yards pence picks per inch plain weave radius ratio revolutions per minute right angle scale spun silk square inch square root squares represent straight line Suppose Surface speed tappet treadle turns per inch twist yarn warp and weft warp threads weave weft weigh 1 lb weight of warp width wool woollen worsted counts yards long yards weigh Yorkshire skeins وو
Pasajes populares
Página 113 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Página 414 - F. 1 Knot = 6080 feet per hour. Weight of 1 Ib. in London = 445,000 dynes. One pound avoirdupois = 7000 grains = 453'6 grammes. 1 Cubic foot of water weighs 62-3 Ibs. at 65° F. 1 Cubic foot of air at 0
Página 79 - Suppose that a*=n, then x is called the logarithm of n to the base a : thus the logarithm of a number to a given base is the index of the power to which the base must be raised to be equal to the number. The logarithm of n to the base a is written log.
Página 82 - The logarithm of the root of a number is found by dividing the logarithm of the number by the index of the root.
Página 121 - Guido, with a burnt stick in his hand, demonstrating on the smooth paving-stones of the path, that the square on the hypotenuse of a right-angled triangle is equal to the sum of the squares on the other two sides.
Página 414 - Ib. per square foot = 760 mm. of mercury = 10" dynes per sq. cm. nearly. A column of water 2-3 feet high corresponds to a pressure of 1 Ib. per sq.
Página 206 - Put another way, if you construct squares on the edges of a right-angled triangle, the area of the square on the hypotenuse is equal to the sum of the areas of the squares on the other two sides.