British Standard .  method for measurement of the pinch temperature of quartz-tungsten-halogen lamps / 
British Standards Institution. 
 - 8 pages :  illustrations,   33 cm. 
 - British standard ;  BS 6274 : 1982 .
 - British standard ;  BS 6274 : 1982 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Temperature measurements.<br/>Tungsten lamps.