Brinell hardness test and for verification of briness hardness testing machines / 
British Standards Institution 
 - 39 leaves :  illustrations ;   31 cm. 
 - British standard ;  BS 240 : 1986 .
 - British standard ;  BS 240 : 1986 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Standards, Engineering --Great Britain.