Useful information for architects, engineers, and workers in wrought iron (1886)
Phoenix Iron Company · Philadelphia : Printed by J.B. Lippincott Co. · leaf 151
A 710 59.16 .410 11.36 Copper, Rolled. . 548 45.00 •3*7 0.0O .brass, Rolled 524 43.66 .302 8.40 98 8.23 .057 1-57 120 10.00 .009 I.92 Brickwork, Common 120 10.00 .069 I.92 Close Joints 140 T T 66 11.00 .001 2.24 Limestone T 6Q loo 18.00 .124 2.68 13.00 .090 2.49 Pine, White . . . 30 2.50 .017 .48… … B D—h —R (i—cos. a) Sin. a = - (i.) Given, chord ADC and vers, sine or rise B D, tofind radius, ADC ^ A D2+ B D2 = A D or D C .-. ±— = BE 2 2 B D c2 + 4 h2 R — 8 h (2.) Given, chord ADC and radius B E, to find rise B D,BE — v/BE2-AD2 = B D h = R—R2- (3.) Given, the radius and rise, to find the…
Wrought-iron · Iron, Structural · Building, Iron and steel · Building
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