Passive encoder for range knobs

Author:	Schiffbauer, William H.
Year:	1983
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:8939
Series:	Information circular / United States. Bureau of Mines ;
Report Number:	8939
Subject:	Computer interfaces
Link:	https://hdl.handle.net/2027/mdp.39015078455279