Specification for depth micrometers/ 
British Standard Institution 
 - London :  British Standards Institution,  1984 
 - 8 pages :  ill. ;  30 cm. 
 - British standard ;  BS 6468 : 1984 .
 - British standard ;  BS 6468 : 1984 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Micrometers (Instruments)