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Louis Badier
Hans Belart
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Publication of GB190525608ApublicationCriticalpatent/GB190525608A/en
25,608. Badier, L., and Belart, H. Dec. 8. Screw propellers. -Screw propellers for aerial navigation are constructed with a cylinder 3 completely enclosing the propeller blades, which are attached to or made integral with the cylinder. [Reference has been directed under Patents Act, 1902, to Specifications No. 3045, A.D. 1897, and No. 26,891, A.D. 1904.]
GB190525608D1905-12-081905-12-08Improvements in Screw Propellers for Air-ships.
ExpiredGB190525608A
(en)