Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 517
ss. Their length is each 10 lO^y. The centre braces aretwo, 7 X 10; the centre rods three, 1|- diameter. The counters, each one6 X 8; lateral brace, top and bottom, 6 X 6; rods 1^^; top chord, fourpieces, 7 X 12; bottom chord, four pieces, 7 X 15; floor-beams, 7 X 16.The shoes, splices, and blocks… … ENGINEERING DRAWING. 501 V/)tei-/o/i-
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
