Self-taught Mechanical Drawing and Elementary Machine Design ...Norman W. Henley Publishing Company, 1910 - 333 стор. |
З цієї книги
Результати 1-5 із 61
Сторінка 81
... leave out , en- tirely , the sign of multiplication ( X ) between the letters expressing the values of the various quanti- ties that are to be multiplied . Thus , for example , PL means simply PX L , and if P = ALGEBRAIC FORMULAS 81.
... leave out , en- tirely , the sign of multiplication ( X ) between the letters expressing the values of the various quanti- ties that are to be multiplied . Thus , for example , PL means simply PX L , and if P = ALGEBRAIC FORMULAS 81.
Сторінка 83
... multiplied by itself . Similarly , we may write 727X7 = 49 , and 122 12 X 12 = 144. The little " 2 " in the upper right - hand corner of these expressions is called " exponent . " Nearly all mechanical and engineering hand - books are ...
... multiplied by itself . Similarly , we may write 727X7 = 49 , and 122 12 X 12 = 144. The little " 2 " in the upper right - hand corner of these expressions is called " exponent . " Nearly all mechanical and engineering hand - books are ...
Сторінка 85
... is 3 , because 3 multiplied by itself equals 9. The square root of 16 equals 4 , of 36 equals 6 , and so forth . It will be seen at once that the square root may be • = considered , or , rather , actually is ALGEBRAIC FORMULAS 85.
... is 3 , because 3 multiplied by itself equals 9. The square root of 16 equals 4 , of 36 equals 6 , and so forth . It will be seen at once that the square root may be • = considered , or , rather , actually is ALGEBRAIC FORMULAS 85.
Сторінка 89
... multiply the expressions on both sides of the equals sign by the same number we do not change the conditions ; thus 30 × 126,050 = 31.5 × 200 × P × 3 × 200 × 126,050 126,050 By canceling the number 126,050 on the right- hand side we ...
... multiply the expressions on both sides of the equals sign by the same number we do not change the conditions ; thus 30 × 126,050 = 31.5 × 200 × P × 3 × 200 × 126,050 126,050 By canceling the number 126,050 on the right- hand side we ...
Сторінка 92
... multiplied by the altitude . If A = area , B = length of one of the parallel sides , C = length of the other ... multiplied by 3.1416 . The diameter of a circle equals the circumfer- ence divided by 3.1416 . The area of a circle equals ...
... multiplied by the altitude . If A = area , B = length of one of the parallel sides , C = length of the other ... multiplied by 3.1416 . The diameter of a circle equals the circumfer- ence divided by 3.1416 . The area of a circle equals ...
Інші видання - Показати все
Self-taught Mechanical Drawing and Elementary Machine Design ... F. L. Sylvester Повний перегляд - 1910 |
Self-Taught Mechanical Drawing and Elementary Machine Design .. Erik Oberg,F. L. Sylvester Попередній перегляд недоступний - 2015 |
Self-Taught Mechanical Drawing and Elementary Machine Design F. L. Sylvester Попередній перегляд недоступний - 2019 |
Загальні терміни та фрази
axis base circle belt bolt breadth calculations cast iron center line circular pitch circumference clutch cone cosine crank cube cylinder D₁ degrees diametral pitch dimensions direction distance divided draw drawn driving ellipse engine epicycloidal example factor of safety feet fly-wheel follower foot-pounds force formula fully illustrated give given horse-power hypotenuse intersection involute involute gears lathe length machine mean effective pressure mechanical method multiplied number of equal number of teeth number of threads O'CONOR SLOANE parabola pitch diameter pitch line points pounds practical prism Prob pulley quick return radial lines radius represent return motion revolutions per minute right angles rule screw thread shaft shown in Fig shows speed spindle square inch square root steam strength of materials stroke surface tangent thickness threads per inch tion tooth transmit triangle velocity weight wheel worm worm-wheel