AU108525B2
(en )
Improvements in thermionic valve amplifier arrangements
CA371245A
(en )
1938-01-18
Thermionic valve amplifier
CA377365A
(en )
1938-11-01
Thermionic valve amplifier
GB510703A
(en )
1939-08-04
Improvements in thermionic valves
AU110806B2
(en )
1940-06-27
Improvements in thermionic amplifiers
AU112249B2
(en )
1941-01-09
Improvements in thermionic amplifiers
AU102931B2
(en )
1938-01-20
Improvements in amplifiers
AU106486B2
(en )
1939-02-09
Improvements in or relating to thermionic valves
AU106590B2
(en )
1939-02-23
Improvements in or relating to thermionic valves
AU108192B2
(en )
1939-08-17
Improvements in or relating to thermionic valves
AU108783B2
(en )
1939-10-26
Improvements in thermionic valves
AU108992B2
(en )
1939-11-16
Improvements in circuit arrangements for thermionic valves
AU106835B2
(en )
1939-03-16
Improvements in thermionic valve amplifiers employing negative feedback
CA377409A
(en )
1938-11-01
Thermionic valve
CA374546A
(en )
1938-06-21
Thermionic valve
IE15047L
(en )
1938-09-05
Thermionic valve amplifiers
AU106354B2
(en )
1939-01-26
Improvements in or relating to thermionic amplifiers
AU106633B2
(en )
1939-03-02
Improvements in or relating to thermionic amplifiers
AU106454B2
(en )
1939-02-02
Improvements in or relating to thermionic amplifiers
AU476039A
(en )
1940-06-27
Improvements in thermionic amplifiers
AU525639A
(en )
1941-01-09
Improvements in thermionic amplifiers
AU106760B2
(en )
1939-03-09
Improvement in broadband amplifier
GB510503A
(en )
1939-08-02
Improvements in thermionic amplifiers
AU29138A
(en )
1939-02-09
Improvements in or relating to thermionic valves
AU332838A
(en )
1939-08-17
Improvements in or relating to thermionic valves