GB686370A
(en )
1953-01-21
Improvements in anti-vibration resilient mountings
GB1254917A
(en )
1971-11-24
Electromagnetic relay
GB459235A
(enExample )
1937-01-04
GB1409200A
(en )
1975-10-08
Make-and-break electric contact arrangements
GB966626A
(en )
1964-08-12
Improvements in or relating to electromagnetic relays
GB200132A
(en )
1923-07-02
Improvements in electrical interrupters or make-and-break switches with vibratory contacts
GB832690A
(en )
1960-04-13
Relay with self-cleaning contact elements
GB1015941A
(en )
1966-01-05
Electro-magnetic relays
GB945100A
(en )
1963-12-23
Improvements in polarised relays
GB504523A
(en )
1939-04-26
Improvements in or relating to apparatus for converting direct current to periodic varying current
GB809703A
(en )
1959-03-04
Improvements in and relating to electrical contactors
GB743705A
(en )
1956-01-25
Improvements in or relating to movable coil relays of the magnetic contact type
GB492487A
(en )
1938-09-21
Call system for telephonic line with multiple stations
GB855779A
(en )
1960-12-07
Improvements in or relating to electromagnetic relay arrangements
GB760466A
(en )
1956-10-31
Improvements in electric fence units
GB695909A
(en )
1953-08-19
Improvements in apparatus for measuring recording or controlling ph
GB200927A
(en )
1923-07-23
Improvements relating to telegraph instruments
GB267199A
(en )
1927-03-03
Improvements relating to electric contact springs and the operation thereof
GB795363A
(en )
1958-05-21
Electromagnetic relays
GB266816A
(en )
1927-03-04
Improvements in or relating to electric relays
GB610299A
(en )
1948-10-13
Small relays for telephony signalling and similar uses
GB242819A
(en )
1925-11-19
Improvements in selecting switches for use in telephone systems
GB209212A
(en )
1924-01-10
Improvements in systems of generation of alternating current
GB376826A
(en )
1932-07-18
Improvements in or relating to vibratory voltage and like regulators for controllingelectric circuits
GB677997A
(en )
1952-08-27
Improvements in or relating to fence electrifying apparatus