Practical engineering drawing and third angle projection, for students in scientific, technical and manual training schools and for ... draughtsmen .. (1897)
Willson, Frederick Newton, 1855-1939 · Princeton, N.J., The author · leaf 154
ld supply these when drawing to a larger scale. BRIDGE POST CONXECTIOXS. — GEARING. — SPRINGS. — BOLTS, SCREWS AND NUTS. 44-5. Detail of a Bridge.— Upper-Chord Post - Connection. — A bridge or roof truss is an assemblageof jjieces of iron or wood, so connected that the entire combination acts like… … ■S^S- 301. A/ I \| M/ \|/ \1/ \|/ [/ I \D former being for an overhead track and the latter for a roadway running through the bridge. Ineach case the upper part — called the njqjer chord—(AD, BC) sustains compre-mon, and is made of-built beams, formed by riveting together various plates and lengths…
Mechanical drawing · Lettering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.