000
00307pam a2200133a 44500
082
_a
621.38
_b
Ed7v
100
_a
Edson, William Alden
245
1
_a
VACUUM-TUBE OSCILLATORS
260
_a
N. Y.
_b
Wiley
_c
1953
300
_a
476
650
_a
Oscillators, Vacuum-Tube
964
_g
CIRC
997
_a
8789 s C
999
_c
408310
_d
408310