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GB479002A
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Selector for electric connecting systems
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GB473557A
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Selector for electric connecting systems
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GB443313A
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Improvements in and relating to automatic connection exchanges, e.g., telephone exchanges
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GB436619A
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Improvements in electromagnetic relays
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GB417289A
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Finger dial for impulse-transmitters
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GB385225A
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Improvements in or relating to change-over keys or switches for telephone exchanges and the like
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|
GB381044A
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Improvements in spring driving means for impulse transmitters of the dial type for automatic telephone systems and the like
|
|
GB357881A
|
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Improvements in or relating to indicating arrangements for counters
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|
IE11143L
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Ratchet mechanism.
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GB352110A
|
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An improved method of applying metallic screw threads to cylindrical surfaces
|
|
GB328690A
|
|
Improvements in or relating to electric relays
|
|
GB253463A
|
|
An improved counting device
|
|
GB238188A
|
|
An alternating current bell
|
|
GB231676A
|
|
Improvements in or relating to electromagnetic relays
|
|
GB218905A
|
|
Improvements in or relating to devices for counting electrical or mechanical impulses
|
|
GB208782A
|
|
Improvements relating to the manufacture of jacks for telephone switchboards
|
|
GB149756A
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Improvements in or relating to three- and multi-conductor plugs
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