SQUARES, CUBES, SQUARE ROOTS, AND CUBE ROOTS-Continued. No. Square. Cube. Square Cube No. Square. Cube. Square Cube THIS TABLE IS TAKEN FROM For the Ramapo Wheel and Foundry Co. 481 231361 111284641 21.931 7.835 511 261121 133432831 22.605 7.994 482 232324 111980168 21.954 7.840 512 262144 134217728 22.627 8.0 488 233289 112678587 21.977 7.846 513 263169 135005697 22.649 8.005 484 234256 113379904 22.0 7.851 514 264196 135796744 22.671 8.010 485 235225 114084125 22.022 7.856 515 265225 136590875 22.693 8.015 486 236196 11479125622.0457.862 516 266256 137388096 22.7158.020 487 237169 115501303 22.068 7.867 517 267289 138188413 22.737 8.025 488 238144 116214272 22.090 7.872 518 268324 138991832 22.759 8.031 489 239121 116930169 22.113 7.878 519 269361 139798359 22.7818.036 490 240100 117649000 22.135 7.883 520 270400 140608000 22.803 8.041 491 241081 118370771 22.1587.889 521 271441 141420761 22.8258.046 492 242064 119095488 22.181 7.894 522 272484 142236648 22.847 8.051 493 243049 11982315722.203 7.899 523 273529 143055667 22.8698.056 494 244036 120553784 22.226 7.905 524 274576 143877824 22.891 8.062 495 245025 121287375 22.248 7.910 525 275625 144703125 22.9128.067 496 246016122023936 22.2717.915 526 276676 145531576 22.934 8.072 497 247009 122763473 22.293 7.921 527 277729 146363183 22.9568.077 498 248004 123505992 22.315 7.926 528 278784 147197952 22.978 8.082 499 249001 124251499 22.338 7.931 529 279841 148035889 23.0 8.087 500 250000 125000000 22.360 7.937 530 280900 148877000 23.021 8.092 501 251001 125751501 22.3837.942 531 281961|149721291 23.043 8.097 502 252004 126506008 22.405 7.947 532 283024 150568768| 23.065 8.102 503 253009 12726352722.427 7.952 533 284089 151419437 23.0868.107 504 254016 128024064 22.449 7.958 534 285156 152273304 23.108 8.112 505 255025 128787625 22.472 7.963 535 286225 153130375 23.1308.118 506 256036 129554216 22.494 7.968 536 287296 153990656 23.151 8.128 507 257049 130323843 22.516 7.973 537 288369 154854153 23.1738 128 508 258064 13109651222.5387.979 538 289444 155720872 23. 194 8.133 509 259081 131872229 22.561 7.984 539 290521 156590819 23.2168.138 510 260100 132651000 22.583 7.989 540 291600 157464000 23.237 8.143 HALL AND SONS' BUFFALO FIRE BRICK WORKS, BUFFALO, NEW YORK. FIRE BRICKS OF THE BEST QUALITY. FOR ALL PURPOSES, MANUFACTURED OF THE Best New Jersey Clays, FROM OUR OWN MINES. SPECIAL ATTENTION GIVEN TO ORDERS FOR LOCOMOTIVE BRICK, ALSO CUPOLAS FOR IRON OR BRASS N. H. GARDNER & Co. TANNERS and MANUFACTURERS OF OAK LEATHER BELTING AND DEALERS IN Lace Leather. Office, 129 Washington St., Tannery, 852 Seneca St.. BUFFALO, N. Y. ALL GOODS WARRANTED AND SATISFACTION GUARANTEED. .Philadelphia, Pa..... 28 Lewis Oliver & Phillips; H. B. Newhall, Ag't...New York.. Pratt & Co. Providence Tool Co.; H. B. Newhall, Agent....New York.. ..Pittsburgh, Pa... Wm. Gilmor of Wm..... Wilmington, Del..... ......Baltimore, Md................. Wm. H. Haskell & Co.; H. B. Newhall, Ag't....New York..... 166 Squares, Cubes, Square Roots, and Cube Roots—Continued. THIS TABLE IS TAKEN FROM For the Ramapo and Foundry Co. "Hamilton's Useful Information for Railway Men," Published by D. VAN NOSTRAND, Wheel No. Square. Cube. Square Cube No. Square. Cube. Square Cube Root. Root. Root. Root. 8.320 541 292681 158340421 23.2598 148 571 326041 186169411 23.8958.296 8.368 401 DRAWING ROOM AND SLEEPING COACHES, TENDERS, LOCOMOTIVES, PASSENGER AND FREIGHT CARS. RAMAPO, Rockland County, NEW YORK. Gang Saw, 30 square feet of dry oak, or 45 square feet of dry pine, per hour, requires 1 horse-power. Circular Saw, 2.5 feet in diameter, 270 revolutions per minute, 40 square feet of oak, or 70 of dry spruce, requires 1 horse-power. 300 revolutions per minute. 1.33 square feet of dry pine per minute, kerf 7-32 inch and 6 inches deep, requires the power of 1 horse for the saw alone; and 1 square feet, kerf 14 inch and 1 foot in depth, requires a like power. 4.5 feet in diameter, kerf 14, and 1 foot in depth, requires 1 horse-power for 1.33 feet per minute. Oak requires nearly one-half more power than pine. With a kerf of 1 inch, 1 horse-power will saw 2.66 square feet per minute. The speed of the periphery should be about 50 feet per minute. SQUARES. CUBES, SQUARE ROOTS, AND CUBE ROOTS-Continued. THIS TABLE IS TAKEN FROM and Foundry Co. Published by D. VAN NOSTRAND, "Hamilton's Useful Information for Railway Men," For the Ramapo Wheel No. Square. Cube. Square Cube No. Square. Cube. Square Cube Root. Root. 601 361201 217081801 24.515 8.439 631 398161 251239591 25.119 8.577 630396: 8.653 8.671 |