Examination of distance measuring device 

 - Washington :  United States Government Printing Office,  1980 
 - Various pagings :  ill. ;  28 cm. 
 - NBS handbook ;  no.137 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weights and measures<br/>Measurement systems
<br/><br/><label>Dewey Class. No.: </label>530.81