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Henrietta Vansittart (nee Lowe) (1833- )
of 4 Maid of Honour Row, Richmond.
of Kent House, Sheerness. (1869).
1855 July. Married Frederick Vansittart, of the 14th Light Dragoons
She continued her father's experiments with propellers
1868 Henrietta Vansittart of Richmond, in the county of Surrey, gave notice in respect of the invention of "improvements in the construction of screw propellers." This was set out in her petition recorded as #2877 in the Patent office on the 18th day of September, 1868. This concerned a further improvement to her father's invention, which she called ‘the Lowe-Vansittart propeller.’ This was fitted to many government ships, and was found to be a valuable invention.
1881 The 1881 census recorded that her husband took out patent No. 2877.
1881 Living in Twickenham