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GB771471A
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Improvements in lighting fittings for elongated electric lamps
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GB733153A
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Improvements in electric lighting fittings
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GB545358A
|
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Improvements in or relating to semi-indirect lighting fittings
|
|
GB540053A
|
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Improvements in lighting fittings having multiple light sources
|
|
GB532550A
|
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Improvements in or relating to electric lamp holders
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GB532284A
|
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Improvements in or relating to lamp grip devices for lamp holders and like electrical connecting means
|
|
GB492100A
|
|
Improvements in lighting fittings
|
|
GB491964A
|
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Spot lighting attachment for lighting fittings
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GB469783A
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A new or improved method of constructing holders for thermionic valves, terminal strips and like connecting devices for electrical apparatus
|
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GB419755A
|
|
Improvements in and relating to loudspeakers
|
|
GB419602A
|
|
Improvements in lighting fittings
|
|
GB418318A
|
|
Improvements in lighting fittings
|
|
GB413842A
|
|
Improvements in electric lighting fittings
|
|
GB411127A
|
|
Improvements in lighting fittings
|
|
GB385663A
|
|
Improvements in or relating to reflectors for lighting and/or heating and ultra-violet radiation
|
|
GB357257A
|
|
Improvements in or relating to reflectors for lighting and heating
|
|
GB275852A
|
|
Improvements in means for supporting reflectors, galleries and like fittings on lamp holders or the like
|
|
GB269393A
|
|
Improvements in or relating to vehicle signalling apparatus
|
|
GB258211A
|
|
Improvements in or relating to fittings for electric incandescent lamps provided with shades or reflectors
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GB268468A
|
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Improvements in or relating to holders or supports for thermionic valves
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