Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,713 pages of information and 247,105 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
No edit summary |
m Ait moved page G. A. Calvert to George A. Calvert |
(No difference)
| |
George A. Calvert, Naval Architect
1887 Presented a paper on "the forces acting on the blade of a screw propeller."
Grace's Guide web site design is Copyright © 2025 by Grace's Guide Ltd. The text of this web site is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy.
MW1.43