Rogers' drawing and design; an educational treatise relating to linear drawing; machine design; working drawings; transmission methods; steam, electrical and metal working machines and parts; lathes; boiler and parts; instruments and their use; tables, etc (1913)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 158
d EM each equal to em in Fig. 285. Thus one-half, MLKSKLM of the opening is obtained. The rectangular piece, VWTU, with the twoopenings. MM and NN, is the required pattern ofthe larger cylinder. To draiu the development of a four-part elbow. A four-part elbow is a pipe joint made up of fourparts,… … Fig. 288. two larger parts, AKSI and YZfd are equal. Thesame is true of the two remaining smaller parts,KXTS and XYZT. To lay out these parts in the elevation a rightangle abc is drawn, the sides of which intersect atright angles, the two largest branches of the joint.It is evident that the point b…
Mechanical drawing · Machine design
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