IL'1 



!'KA\V1\<; AM I>E8IGN 



tOm 117 ulic Pipe Joint. Draw, half 



full Hire, the views shown below (fig. 117 hydranlii- 



pipe jint. Tin parkin-,' rinn is made of gutta-percha, and is 



k triangle in the longitudinal Mvti..n ,.|" the | 

 ^ '' when the joint is 



screw c.l up n-ht is shown at the top right-hand . i 17. 



KM;. 117. 



EXERCISE 118: Scribing Tod. First draw, full size, all the 

 details separately, as shown in tigs. 119 and IL'<> : tli.-n draw, full 

 size, the plan and two elevations of the tool complete, as shown in 

 fig. 118. 



F is the scriber which may be clamped at any part of the straight 

 portion, between D and . The scriber may also be placed at any 

 angle to the horizontal, and the point at which it is clamped m ay 

 be placed at any height from the base A within the limits of the 

 upright K. D and are carried by the clamp H, which em1 

 tin upright K. By turning the milled nut J the scriber is fixed in 

 position in relation to K. A fine vertical adjustment is obtain.-! 

 by rotating the milled nut B. After all adjustments have been 

 made, K is locked in position by the set-screw C. 



