Indian standard test chart for general purpose parallel lathes  pt. 1, lathes with swing over bed upto 800mm 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1972 
 - 7p. 
<br/><br/> IS 1878 : Part 1 : 1971 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Square Holes-Standards<br/> Standards <br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:621.941  / ISI