:miscellaxeous tools and :\iethods of work 47 



a free-hand sketch of a single dovetail joint, and h the 

 mechanical drawing complete. 



All dimensions must be given, and as far as possible 

 they should be so placed as not to interfere with the 



<-'f- 



Fig. 62. Drawings of a Single Dovetail .Joint 



clearness of the drawing. Neat, small arrowheads and 

 plain, clear figures add to the general appearance, just 

 as does careful lettering in titles and all printed words. 



