GB507839A
(en )
1939-06-21
Improvements in or relating to wireless receiving apparatus
AU104561B2
(en )
1938-07-28
Improvements in or relatinrg to circuit-arrangements for facilitating the tuMning of radio receiving apparatus
AU464337A
(en )
1938-07-28
Improvements in or relatinrg to circuit-arrangements for facilitating the tuMning of radio receiving apparatus
AU105883B2
(en )
1938-12-01
Improvements in or relating to radio direction finding apparatus
AU504237A
(en )
1938-12-01
Improvements in or relating to radio direction finding apparatus
AU102018B2
(en )
1937-09-23
Improvements in or relating to ozonising apparatus
AU106112B2
(en )
1938-12-22
Improvements in or relating to radio-receiving apparatus
CA370633A
(en )
1937-12-21
Radio apparatus scale
AU102815B2
(en )
1938-01-13
Improvements in or relating to apparatus for receiving television andthe like
AU105802B2
(en )
1938-11-24
Improvements in dog-race starting apparatus
AU106290B2
(en )
1939-01-12
Improvements in or relating to cabinets or housings for radio receiving apparatus
AU109384B2
(en )
1937-12-12
Improvements in or relating to tuning devices for wireless receiving sets
AU54737A
(en )
1937-09-23
Improvements in or relating to ozonising apparatus
AU108934B2
(en )
Improvements in or relating to radio receivers
CA364889A
(en )
1937-03-16
Freezing apparatus
CA365584A
(en )
1937-04-20
Sign-announcing apparatus
CA365496A
(en )
1937-04-20
Template-controlled apparatus
AU104335B2
(en )
1938-07-07
Improvements in or relating in radio direction finding apparatus
AU306938A
(en )
1938-12-22
Improvements in or relating to radio-receiving apparatus
CA368911A
(en )
1937-09-28
Abrading apparatus
AU103689B2
(en )
1938-04-28
Improvements in or relating to shortwave oscillation apparatus
AU101839B2
(en )
1937-08-26
Improvements in or relating to arrangements for facilitating the correct tuning of wireless receiving sets
AU103045B2
(en )
1938-02-03
Improvements in or relating to frequency multiplying apparatus
AU104332B2
(en )
Improvements in or relating to apparatus for comparing electrical signals
AU106982B2
(en )
1939-03-30
Improvements in or relating to radio receiving apparatus comprising tuning facilitating means