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GB359323A
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Improvements in and relating to indirect lighting luminairs
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GB339888A
|
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Improvements in and relating to illuminating appliances
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|
GB347571A
|
|
Improvements in and relating to lighting appliances
|
|
GB347322A
|
|
Improvements in and relating to lighting appliances
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GB333465A
|
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Improvements in and relating to illuminating apparatus
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DE505564C
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Luminaire with one or two interlocking, hemispherical light shells made of pressed glass
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GB285327A
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Improvements in and relating to illuminating appliances
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|
GB271766A
|
|
Improvements in diffuse prismatic reflector and method of making the same
|
|
GB272291A
|
|
Improvements in lighting appliances
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GB238498A
|
|
Improvements in and relating to illuminating appliances
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|
GB235797A
|
|
Improvements in and relating to illuminating appliances
|
|
GB250660A
|
|
Improvements in and relating to illuminating appliances
|
|
GB243559A
|
|
Improvements in and relating to illuminating appliances
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|
GB242686A
|
|
Improvements in illuminating appliances
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GB240569A
|
|
Improvements in illuminating appliances
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|
GB194775A
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Improved prismatic glass enclosing globe
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GB187340A
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Improved light ray projector
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GB187305A
|
|
Improvements in indirect lighting unit
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GB168295A
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Improvements in projection lens
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