Leeds, Charles Carley, 1870- · New York, D. Van Nostrand company · leaf 66
mind that the true length of the lines on the cone can be foundon the sides of the cone only, as in all other positions the lines are fore-shortened. Thus to get the true distance from the apex of the coneto point I, this point must be projected to one of the sides. The length of the arc of the… … CLASS Indusihal trade Machinisf NAMZ John W.Roberts date April 36,07. THE CARNEGIE TECHNICAL SCHOOLS pittsburgh, paSchool of Apprentices and Jourh£^me\mechanical drawisg Intersections and DevelopmentsRadial Line Development SCALE Full Size owg.no. C.I022 LESSON No. 28. TRIANGULATION…
Mechanical drawing
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