The vernier caliper and protractor  [videorecording]/ 
Coastal 
 - Virginia Beach, Va.:  Coastal Training Technologies Corp. 
 - 1 videocassette (11.22 min.):  sd.,col.;  1 cm 
 - Basic Machine Technology  5 of 10 .
<br/><br/><label>ISBN: </label>MED0002040(Local) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Verniers<br/>Protractors<br/>Machinery