Islington Tunnel
960 yards (878 metres) long, designed by James Morgan, built over the three years 1815 to 1818.  Caroline's Miscellany has a good post.
3 memorials
James Crosby & Sons Ltd
Information about this company is difficult to come by. Andrew Behan found this image at Britain From Above where it is captioned "The James Crosby & Sons Ltd Works off Bridges Road, Ellesmere ...
1 memorial
J.A.P. Engineering
Company founded by John Alfred Prestwich. Its engines were used in many famous motorcycle marques and speedway bikes, early aeroplanes, chainsaws, cultivators and light rail maintenance trucks.
1 memorial
J. & E. Hall, Dartford
Dartford-based factory founded by John Hall (1765-1836). From Dartford Archive:Â "In the early days the company specialised in heavy foundry-based engineering. Later on, the company developed a spec...
1 memorial
William Jessop
Civil engineer. Â Born Devon. Â Worked for Smeaton, first as an apprentice and then as assistant until 1772. Â Promoted cast iron as a constructional material. Â Built the Grand Canal in Ireland. Â Buil...
1 memorial
Denis Johnson
In 1819, made and sold Britain's first bicycle in its hobby-horse form. As a coachmaker Johnson was able to make significant improvements to the two-wheel velocipede, as invented by von Drais. He o...
1 memorial
Charles Jones
Architect, engineer and surveyor. Born in Beccles, Suffolk. His works include two Ealing Town Halls: the current one and the previous one, now (2024) NatWest bank at 1a The Mall, Ealing, and severa...
2 memorials
Boylett Herbert Jupe
Electrician on the RMS Titanic. A full résumé of his life can be found on the Encyclopedia Titanica website. He is also commemorated on the Engineers Memorial, Andrews East Park, Above Bar Street,...
1 memorial
William Patrick Kelly
Assistant Electrician on the RMS Titanic. A full résumé of his life can be found on the Encyclopedia Titanica website. He is also commemorated on the Engineers Memorial, Andrews East Park, Above B...
1 memorial
Thomas Hulman Kemp
Extra Assistant 4th Engineer (Refrigeration) on the RMS Titanic. A full résumé of his life can be found on the Encyclopedia Titanica website. He is also commemorated on the Engineers Memorial, And...
1 memorial
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