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John Henry Dale
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Publication of GB190406873ApublicationCriticalpatent/GB190406873A/en
6873. Dale, J. H. March 22. Lamp-shade holders.-A " cluster" fitting for incandescent electric lamps is provided with a shade holder which may also serve as a connection to the ceiling. The shade is held between the discs b, c, connected by the short tube c<1>, and is fixed by means of the screw c'.
GB190406873D1904-03-221904-03-22Improvements in and relating to "Clusters" for Incandescence Electric Lamps.
ExpiredGB190406873A
(en)