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Expired
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Henry Sell
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Individual
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Individual
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Publication of GB190120274ApublicationCriticalpatent/GB190120274A/en
20,274. Sell, H. Oct. 10. Drawings to Specification. Sun-dials.-A reflector, mounted on a wall or building &c., is actuated by a clockwork or other motor to direct the sun's rays towards numbered posts which serve as a dial, thus indicating the time.
GB190120274D1901-10-101901-10-10Improved Apparatus for Attracting Attention of Pedestrians and Others, Applicable also for use for Indicating Time.
ExpiredGB190120274A
(en)