Atlantic White Lead Co.-Rob't Colgate & Co. New York.... Brooklyn White Lead Co... C. E. Hecht.... F. S. Pease.... Jno. Jewett & Son.... Jno. W. Masury & Son.. T. B. Bickerton & Co...... Wetherill & Bro.... Wm. Green & Co..... ..See Pages 238, 240 Wilmington, Del..... TONS OF RAILS, JOINTS, ETC., TO ONE MILE SINGLE TRACK. (Furnished by O. W. Child, 22 Pine St., New York.) TONS OF RAILS REQUIRED PER MILE OF SINGLE TRACK. Ordinary number of Ties per Mile.. 28 feet Rails..... 30 2640. 378 Joints. 352 Ordinary Quantity of Spikes, 51⁄2 inch per mile...... 5500 lbs. The Frazer Railroad Lubricator, THE BEST AND CHEAPEST LUBRICATOR FOR RAILROADS IN USE. Superintendents, Purchasing Agents and Master Mechanics are invited to GIVE IT A TRIAL. QUALITY ALWAYS ALIKE, AND NOT AFFECTED BY CLIMATE, OFFICES; 104 MAIDEN LANE, 134 E. KINZIE ST., NEW YORK. CHICAGO, ILL. CAMPBELL & THAYER, 89 MAIDEN LANE, NEW YORK, MANUFACTURERS OF LINSEED OIL, Raw, Refined and Boiled, in Casks and Barrels. TO FIND LENGTH OF BELTING, WHEN CLOSELY ROLLED. The sum of the diameters of the roll and the eye in inches, multiplied by the number of turns made by the belt, and this product multiplied by the decimal .1309, will equal length of the belt in feet.-Auchinchloss. SQUARES, CUBES, SQUARE ROOTS, AND CUBE ROOTS-Continued. THIS TABLE IS TAKEN FROM and Foundry Co. For the Ramapo Wheel No. Square. Cube. Square Cube No. Square. Cube. Square Cube Root. Root. 781 609961 476379541 27.946 9.209 811 657721 533411731 28.478 9.325 782 611524 478211768 27.9649-213 812 659344 535387328 28.4959.329 783 613089 480048687 27.982 9.216 813 660969 537367797 28-5139.333 784 614656 481890304 28.0 9.220 814 662596 539353144 28.5399-337 785616225 483736625 28.0179.224 815664225 541343375 28.548 9.340 786 617796 485587656 28.035 9.228 816 665856 543338496 28.565 9.344 787 619369 487443403 28.053 9.232 817 667489 545338513 28.5839.348 788 620944 489303872 28.0719.236 818669124 547343432 28.600 9.352 789,622521 491169069 28.089 9.240 819 670761 549353259 28.6189.356 790 624100 493039000 28.106 9.244 820672400551368000 28.6359.359 791 625681 494913671 28.124 9.248 821 674041 553387661 28.6539.363 792 627264 496793088 28.1429.252 822 675684 555412248 28.6709.367 793 628849 498677257 28.160 9.256 823 677329 557441767 28.687 9.371 794 630436 500566184 28.1789.259 824 678976 559476224 28.705 9.375 795 632025 502459875 28. 1959.263 825 680625 561515625 28.7229.378 796 633616 504358336 28.2139.267 826 682276 563559976 28.7409.382 797 635209 506261573 28.231 9.271 827 683929 565609283 28.757 9.386 798 636804 508169592 28.248 9.275 828 685584 567663552 28.7749 390 799 638401 510082399 28.266 9.279 829 687241 569722789 28.7929.394 800 640000 512000000 28.2849.283 830 688900 571787000 28.8099.397 801 641601 513922401 28.301 9.287 831 690561 573856191 28.827 9.401 802 643204 515849608 28.319 9.290 832 692224 575930368 28.8449.405 803 644809 517781627 28.3379.294 833 693889 578009537 28.8619.409 804 646416 519718464 28.354 9.298 834 695556 580093704 28.879.9.412 805 648025 521660125 28.372 9.302 835 607225 582182875 28.8969.416 806,649636 523606616 28.390 9.306 836 698896 584277056 28.9139.420 807 651249 525557943 28.407 9.310 837 700569 586376253 28.930 9.424 808 652864527514112 28.425 9.314 838 702244 588480472 28.948 9.427 809 654481 529475129 28.442 9.317 839 703921 590589719 28.965 9.431 810656100 531441000 28.460 9.321 840 705600 592704000 28.982 9.435 : ! OIL MANUFACTURERS, 128 MAIDEN LANE, NEW YORK, POSTS & KALKMAN, 113 LIBERTY ST., NEW YORK, MANUFACturers of PRESCOTT'S & KALKMAN'S PATENT SAFETY POP VALVE, DENISON'S PATENT COOLING and LUBRICATING COMPOUND And CRAHAM'S CAR-DOOR CATCHES. 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. Published by D. VAN NOSTRAND, "Hamilton's Useful Information for Railway Men," 841 707281 594823321|29.0 9.439 871 758641 660776311 29.5129.550 842 708964 596947688 29.017 9.442 872 760384 663054848 29.5299 553 843 710649 599077107 29.0349.446 873 762129 665338617 29.546 9.557 844 712336 601211584 29.051 9.450 874 763876 667627624 29.563 9.561 845 714025 603351125 29.068 9.454 875 765625 669921875 29.5809.564 846 715716 605495736 29.0869-457 876 767376 67222137629.597 9.568 847 717409 607645423 29.103 9.461 877 769129 674526133 29.6149.571 848 719104 609800192 29.120 9.465 878 770884676836152 29.6319.575 849 720801 611960049 29.137 9.468 879 772641 679151439 29.6479.579 850 722500 614125000 29.154 9.472 880 774400 681472000 29.6649.582 851 724201616295051 29.171 9.476 881 776161 683797841 29.6819.586 852 725904 618470208 29.1899.480 882 777924 686128968 29.698 9.590 853 727609 620650477 29.206 9.483 883 779689 688465387 29.7159.593 854 729316 622835864 29.223 9.487 884 781456 690807104 29.7329.597 855 731025 625026375 29.240 9.491 885 783225 693154125 29.7489.600 856 732736627222016 29.257 9.494 886 784996 695506456 29.7659.604 857 734449 629422793 29.274 9.498 887 786769 697864103 29.7829.608 858 736164 631628712 29.291 9.502 888 788544 700227072 29.7999.611 859 737881 633839779 29-308 9.506 889 790321 702595369 29.8169.615 860 739600 636056000 29.325 9.509 890 792100 704969000 29 8329.619 861 741321 638277381 29.3429 513 891 793881 707347971 29.8499.622 862 743044 640503928 29.359 9.517 892 795664 709732288 29.8669.626 863 744769 642735647 29.376 9.520 893 797449 712121957 29.8839.629 864 746496 644972544 29.3939 524 894 799236 714516984 29.8999.633 865 748225 647214625 29.4109.528 895 801025 716917375 29.9169.636 866 749956 649461896 29.427 9.531 896 802816719323136 29.9339.640 867 751689 651714363 29.444 9.535 897 804609 721734273 29.949 9.644 868 753424 653972032 29.461 9.539 898 806404 724150792 29.9669.647 869 755161656234909 29.478 9.542 899 808201 726572699 29.9839.651 870756900 658503000 29.495 9.546 900 810000 729000000 30.0 9.654 |