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 93
n they otherwisewould perform. Whenthis is applied, the movablepart has a joint similar tothose on the pen and pencilpoints, and for a similarpurpose the annexed dia-gram represents this instru-ment and its appendages. a the compasses witha movable point at b ;c and d, the joints to set eachpoint… … BOW COMPASSES. 73 Bow Compasses, These are a small pair having a point either for ink orpencil. They are used to describe small arcs or circles,which they do more conveniently than large compasses,not only on account of the size, but also from the shapeof their head, which rolls easily between the…
Building · Architecture, Domestic
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