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Alexander Nicholson
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Individual
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Individual
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Publication of GB190009479ApublicationCriticalpatent/GB190009479A/en
9479. Nicholson, A. May 24. Locking nuts.- Relates to pistons, and comprises means for locking a screwed cap. The cap F may be prevented from unscrewing by a steel washer b, bent up at a saw - cut directly along one face of the hexagonal head.
GB190009479D1900-05-241900-05-24Improvements in Engine Pistons
ExpiredGB190009479A
(en)