Improvements in and relating to low frequency amplifiers and the like
GB442392A
Improvements in filters for electric wave transmission systems
GB444261A
Improvements in and relating to tone correction circuits
GB434287A
Improvements in lid stays or supports for cabinets
GB433046A
Improvements in thermionic valve holders or other electrical plug and socket contacting devices
GB424507A
Improvements in and relating to electrical plug and socket connections
GB417947A
Improvements in wireless receiving apparatus
GB411512A
Improvements in and relating to electric resistances
GB411473A
Improvements in and relating to electric transformers
GB405006A
Improvements in or relating to television
GB406288A
Improvements in or relating to television
GB403979A
An improved means for securing an inner element, such as a spindle, within a hole in an outer element, such as an actuating knob for the same
GB401789A
Improvements in coil winding machines
GB396896A
Improvements in or relating to frame aerials
GB402081A
Improvements in and relating to tuning inductance units
GB398488A
Improvements in or relating to loud speakers of the moving coil type
GB395798A
Improvements in or relating to ganged electric condenser structures
GB397536A
Improvements in or relating to electrical transformers, particularly for use as intervalve transformers in radio apparatus
GB385404A
Improvements in or relating to setting or adjusting means for variable-capacity electrical condensers and other instruments whereby a law or formula may be introduced
GB375967A
Improvements in or relating to ganged electrical condensers
