Basic machine technology  the vernier caliper and protractor /  [videorecording] : 
 The vernier caliper and protractor 
Coastal Skills Training 
 - Virginia Beach, Va:  Coastal Training Technologies Corp.,  2003 
 - 1 videodisc (12 min.):  sd., col.;  12 cm. 
<br/><br/><label>ISBN: </label>MED0000706(Local) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery<br/>Verniers<br/>Protractors