AN WTlinlH < IHiN 



i . 



MACHINE DRAWING AND DESK 



Dratring Instrument*. For work in - tho exercises in this 



book the student should be provided with tl,,. following : A 



well-seasoned yellow pin.- </r<nri,, / .-he* long, 17 



r ^ inrli thii-k. pmvidfl with cron- 



barR nn tin- ia. k ngth an Carping. 



\ T i 1. J inches long attached pen. 



nt mod- into if. One 45 and one 60 ** 

 *twin>. Tic _> .i tin- former may be about 6 inches 



thr sli-.it .,!-, nf till- Utter aX)Ut .' ilir)|,-s 1- 



"m/MUif* >\ it 1 1 \ ing legs 



mrhfs to > inrhi-K l..nir. A /.n'r ,-,. uith 



crew adjustment if possil \ "> of tmall tiff I 



jten iwing mimll i irrl% and a pair of anall 



fjtriny j#n botet fnr inking in the Mine. \ <ri*g pen for 



ink r liu.-s. All omipasaes ahouM h:\ve rowiui 



'v. ami if jM.xsji.l,. nWfe points. A piece of india-rubber 



will tils*. .-stwopei illf 



un.l "!,. mat be used for lininir in 



.1 drawing "!" '> U- ink.-tl ii ><ehand v 



1 drawing should lie sharpened wit'i 

 i thos,. for fr-.-hnnd work with a rountt j 



