C. G. Gumpel: Difference between revisions
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Patentee of propellor design | Patentee of propellor design | ||
Patented a new type of rudder. In 1875 [[Joseph Bernays]] wrote to The Engineer pointing out that he had described a rudder on the same principle in The Engineer on 19 Feb 1869.<ref>[https://www.gracesguide.co.uk/Special:MemberUsers?file=d/d1/Er18751119.pdf] The Engineer 19 Nov 1879</ref> | |||
==See Also== | ==See Also== | ||
Revision as of 08:45, 8 March 2020
Patentee of propellor design
Patented a new type of rudder. In 1875 Joseph Bernays wrote to The Engineer pointing out that he had described a rudder on the same principle in The Engineer on 19 Feb 1869.[1]
See Also
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