Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,259 pages of information and 244,500 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.

John Trotman

From Graces Guide

Nephew of James Honiball

1853 A committee appointed by the Lords of the Admiralty chose Trotman's modification of the Porter anchor as the most effective improvement. The anchor was then used in the Cunard and the Peninsular and Oriental Steam Navigation Co's steamers, in the SS Great Eastern and the Queen's yacht and the Emperor Napoleon's yacht.[1]


See Also

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Sources of Information

  1. The Engineer 1860/07/13