rames, the sill is also ornamented,forming a fourth side. The top of a three-sided chambraule is called the transverse, andthe sides ascendants. Camera Lucida (in painting), an opticalinstrument, which, by means of lenses, a stile,&c., gives the outline of external objects onthe paper or canvas… … In the first figure df are glasses so disposed asto be turned at pleasure into their proper placeat the joint c. The second figure shows theinstrument on its stand, and clamped to abook. The joint by which the prism isattached to the stand is double. Camera Obscura (in painting), an opticalmachine,…
Design · Decoration and ornament · Art
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