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Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 37
637 283 2.34 790 2.32 910 1.635 800 385 489 312 264 2.23 590 712 2.28 2.36 1.635 999 423 501 825 309 2.26 241 545 717 2.32' 2.25 1.570 999 444 494 776 2.32 1.680 1,087 468 924 550 do: 297 Average •age . . . 1,026 1.G50 2.30 446 391* 645 2.34 1.650 1,030 440 773 468 * Broke through eye. Ave Avera… … Fig. 3. ponent of the quality; with such cement,Engineering
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