A practical manual of house-painting, graining, marbling and sign-writing : containing full information on the processes of house-painting in oil and distemper, the formation of letters and practice of sign-writing, the principles of decorative art, a course of elementary drawing for house-painters, writers, etc., and a collection of useful receipts ; with nine coloured illustrations of woods and marbles, and numerous wood engravings (1888)
Davidson, Ellis A., d. 1878 · London : C. Lockwood & Son · leaf 324
Fig. 104. From E, with the same radius, describe an arc cuttingE D in G. THE CONSTRUCTION OF GEOMETRICAL FIGURES. 297 Draw lines b f and b g, wliich will trisect the rightangle. Fig. 105. The measurement of angles. Angles are estimated according to the position whichthe two lines of which they are… … D Fig. 105. Similarly b o c, D o b, and d o A are right angles.Now, if these right angles be trisected (as per lastproblem), each of the divisions will contain 30°, thus— A o E is an angle of 30° A o F „ 60° A o c „ 90° AOG „ 120° AOH „ 150° A o It is, in reality, not any angle at at all, being a o…
House painting · Sign painting · Lettering
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
