Rudimentary treatise on the erection of dwelling-houses, or, The builder's comprehensive director : explained by a perspective view, plans, elevations, and sections of a pair of semi-detached villas ... (1860)
Brooks, S. H. (Samuel H.) · London : J. Weale · leaf 114
86 PORTABLE COMPASSES. ther and folded up (or the points turned in, from whence is derived the name of turn-in compasses) they occupy but a space three inches long, and may be car- ried in the pocket without being an incumbrance. The annexed engraving represents the instrument when all its parts… … instrument are f and o^ moveable, as usual, by a joint at A. The lower joints, b and c, afford the means of set- ting the front limbs, d and e, perpendicular to the paper, as explained before when describing the last instrument. Each of the point limbs may be removed from the legs e and g, and by…
House construction
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
