1 ACE 



In pnxlu. in- this \\..rk tin- author has aimed at placing 

 before young engineers and othri^. \\ho wish to acquire th- 

 hkill and knowledge necessary for making the simpler working 

 drawings such as are produced in engin 

 numlx-r of good exercises in drawing, sufficient for ono session's 



k, and at the same time a corresponding .-.mount of in 

 mntion on the design of machine defci illy. 



i-cises set arc of various kinds In the first and 

 simplest certain views of som- madum- deta; 

 rally drawn to a small scale. whit -h the stud. .-d to re- 



produce fn </imtnfrion* Sfi tiUf99MMff f aAd In- is expected 



to keep to these dimensions, and not to measure anything r 

 the given illustrations. In the second kind of exercise the 

 student is asked to reproduce certain views shown / 

 rions given in words or lit tali l<ir form. In the third kii 



rcise the student is required to make, in addition to certain 

 views shown to given diinen.-i"ns .thers which he e 

 draw correctly if li- thoroughly understand^ tin- flesign b ; 

 him. In the fourth kind of exercise ih- Mud<-nt is asked to 

 make tli. necessary working drawings for some part 

 machine which has been previously described and ill' 

 mansions to be <;>L-,,L,i, ,1 /,,, 



The illustrations for this work are all in w. and h.iv 

 specially prepared by tin- author from | 

 h- l.elirv-s that they will l>e found .-nt tli. 



modern practice. 



As exercises in drawing, those given in this hook MR 

 numbered exactly in th-ir ord-r of ditliculty, but. unless 01 

 recommendation of a teacher, the student should tak< tin -m up 

 in the order given, omitting the following : 28, 20, 30. 



:{, 54, GO, SI, 68, '', 72, and 7:i, as he comes to them, 

 nntil he has been through Chaps. I.-XVI.: he may then 



k out the above before going on to the miscellaneous 

 exercises. 



