Rudimentary treatise on the erection of dwelling-houses : illustrated by a perspective view, plans, elevations, and sections of a pair of semi-detached villas ... (1896)
Brooks, S. H. (Samuel H.) · London : C. Lockwood and Son · leaf 99
75 TUBULAR COMPASSE.S. they may be drawn out to their required extent with a smooth and steady motion, not subject to sudden stop- pages, or to move with equally sudden jerks, a proof of bad workmanship, but uniformly, and not too easy.* To assist in this, their inner extremities are made to … In our engraving, the pivots of the two point limbs/, h and e, g to the two carrying pieces, which are jointed to the tubes at a and b, also give the means of in- verting the position of the points ; that is to say, the * Messrs. Parkes and Son, of Birmingham, have introduced needle- points to…
House construction
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
