AU1156128A
(en )
1928-10-16
Improvements in circuit arrangements for use in wireless telegraphy and telephony and for like purposes
AU1131028A
(en )
1928-08-14
Improvements in or relating to wireless telegraphy and telephony
AU923827A
(en )
1928-02-21
Improvements in or relating to aerials for use in wireless telegraphy and telephony
AU535526A
(en )
1927-01-04
Improvements in or relating to wireless telegraphy and telephony
AU358526A
(en )
1927-03-29
Improvements in or relating to wireless telegraphy and telephony
AU423626A
(en )
1926-10-21
Improvements in or relating to wireless telegraphy and telephony
CA297777A
(en )
1930-02-25
Wireless telegraphy and telephony
AU2433625A
(en )
1925-08-06
Improvements in wireless telegraph and telephone aerials
AU2121329A
(en )
1930-01-07
Improvements in or relating to aerials for use in wireless telegraphy and telephony
CA260947A
(en )
1926-05-18
Radio telegraphy and telephony
CA277309A
(en )
1928-01-24
Carrier and table
CA259217A
(en )
1926-03-23
Coil for use in high frequency telegraphy and telephony
AU429326A
(en )
1926-10-20
Improvements in or relating to aerial systems for use in wireless telegraphy and telephony
AU393726A
(en )
1926-10-02
Improvements in or relating' to wireless telegraphy and telephony
CA277718A
(en )
1928-02-07
Circuit maker and interrupter
CA278195A
(en )
1928-02-28
Telephone circuit
AU1176728A
(en )
1928-10-02
Improvements in or relating to thermionic frequency changing or modulating devices, suitable for use in wireless telegraphy and telephony
AU2280725A
(en )
1925-04-27
Improvements in coils for use in high frequency telegraphy and telephony
AU2668830A
(en )
1931-05-21
Improvements in telegraph circuits
AU1375128A
(en )
1928-12-27
Improvements in telephone transmitters
AU375326A
(en )
1927-12-20
Improvements in dips and sprays
ES99104A1
(en )
1926-11-01
Improvements in radiotelegraph and telephone communications.
AU980827A
(en )
1928-02-28
Improvements in telephone exchange components
AU1352328A
(en )
1929-01-29
Improvements in and relating tosun-blinds
AU2668830B
(en )
1931-05-21
Improvements in telegraph circuits