Rudimentary treatise on the erection of dwelling-houses : illustrated by a perspective view, plans, elevations, and sections of a pair of semi-detached villas with the specification, quantities, and estimates and every requisite detail, in sequence, for their construction and finishing / by S.H. Brooks. (1874)
Brooks, S. H. (Samuel H.) · London : Lockwood · leaf 98
compasseswith movable points, which are also so contrived thatone forms in itself a small pencil bow and the other apen bow; and when the whole instrument is put toge- PORTABLE COMPASSES. 77 ther and folded up (or the points turned in, fromwhence is derived the name of turn-in compasses) theyoccupy… … legs of the instrument are f and g, movable, as usual,by a joint at a. The lower joints, b and c, afford themeans of setting the front limbs, d and e, perpendicularto the paper, as explained before when describing thelast instrument. Each of the point limbs may be re-moved from the legs f and g,…
Building · Architecture, Domestic
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