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Edmund Edwards
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Individual
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Individual
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Publication of GB189920858ApublicationCriticalpatent/GB189920858A/en
20,858. Edwards, E., [Neuhõuser, F. 0.]. Oct. 18. Screw propellers.-Screws of the type shown in the Figure are made of increasing pitch towards the stern, so that the after part has a propelling effect although working in water thrown backwards by the leading portion. The invention is shown as applied to a twin-hull water velocipede but is equally applicable to other vessels.
GB189920858D1899-10-181899-10-18Improvements in screw Propellers.
ExpiredGB189920858A
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