Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 437
:*jl|!ffi,.,^ •iil! ^ 111 mm tHilifllii fe^il … i«!iji;;ii:r ENGINEERING DRAWING. 421 These frames hold the front rows of piles firmly, in case there should be any tendency inthem to tilt outward. More cobble-stone is then put in to the height of the bottom ofthe base blocks of the wall, weighting the binding frames and preventing any tendencyto…
Mechanical drawing
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