TY  - BOOK
AU  - Greenwood, Ivan A.
AU  - Macrae, Duncan
TI  - ELECTRONIC INSTRUMENTS
U1  - 621.38 
PY  - 1948///
CY  - N. Y.
PB  - Mcgraw-Hill
KW  - Electronic Apparatus And Appliances
KW  - Mathematical Instruments
KW  - Servomechanisms
ER  -