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Ralph Selby
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15,739. Selby, R. July 2. Tyres, pneumatic.- The air tube a has its sides a' and the part lying within the rim g protected by layers b of canvas or the like. The edges d are thickened to take into grooves f in a metallic tread protector e such as is described in Specification No. 8973, A.D. 1897.
GB189715739D1897-07-021897-07-02Improvements in Pneumatic Tyres.
ExpiredGB189715739A
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