. Cyclopedia of architecture, carpentry, and building : a general reference work .... ^ 1 % ?.i X X38^ 9ixVe. 134 1!!. -IT; I SHEET-METAL WORK 75 EXAMINATION ;. The plates of this Instruction Paper should be laid out thesame size as explained in the course on Tinsmiths Work. Beforestarting these plates the student should first practice on otherpaper and make models of stiff cardboard to prove the accuracyof the patterns. When the problem is thoroughly mastered andunderstood, copy and send in yowt best drawing for examinationand correction. The first problem given is the intersecti
. Cyclopedia of architecture, carpentry, and building : a general reference work .... ^ 1 % ?.i X X38^ 9ixVe. 134 1!!. -IT; I SHEET-METAL WORK 75 EXAMINATION ;. The plates of this Instruction Paper should be laid out thesame size as explained in the course on Tinsmiths Work. Beforestarting these plates the student should first practice on otherpaper and make models of stiff cardboard to prove the accuracyof the patterns. When the problem is thoroughly mastered andunderstood, copy and send in yowt best drawing for examinationand correction. The first problem given is the intersection and developmentof a cylinder and a right cone, whose lines of axis rim parallel toeach other. First draw the base of the cone B C 44 inches Ions:,placing B 1^ inches from the border line, and the line C B 5^ inchesabove the bottom line. Make the vertical height of the cone 3|inches, and draw the lines A B and A C. Through A draw thecenter vertical line J G, on which 2-| inches below the base line C Bestablish the point I. Now with I as center and ^ of C B as radius,describe the circle E F G H, which represents
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