TY  - BOOK
AU  - Middleton,Herman Arnold
TI  - Receiving tube substitution guide book
U1  - 621.381512 
PY  - 1950///]
CY  - New York
PB  - J.F. Rider
KW  - MCE
N1  - 0; 0; 0; 621_381512000000000_MID
ER  -