Vibration environment of instrumentation for scrappers and loaders / 
by Walter K. Utt and John C. Gagliardi. 
 - Avondale, Md. :  U.S. Dept. of the Interior, Bureau of Mines,  1993. 
 - 13 p. 
 - Information circular ;  9363 .
 - Information circular (United States. Bureau of Mines) ;  9363 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources.<br/>Scrapers (Earthmoving machinery)--Vibration--Testing.<br/>Loaders (Machines)--Vibration--Testing.<br/>Vibration tests.