John Lofting
Dutch engineer

John Lofting (1659 – 15 June 1742, London), originally Jan Loftingh, was an engineer and entrepreneur from the Dutch Republic.
Biography
His parents were Herman and Johanna. He moved to London, England, before 1686. He patented two inventions: the "sucking worm engine" (a fire engine) and a horse-powered thimble knurling machine. His mill was set up in Islington, where Lofting Road is named after him. However, in or about 1700, he moved his main operation to Great Marlow in Buckinghamshire to take advantage of the River Thames' ability to turn a water wheel which improved productivity, enabling the production of over 2 million thimbles per year.
Begin with the source’s own compact description: “John Lofting” is dutch engineer. The dossier treats that line as a proposition to test through John, Lofting and Dutch, not as a finished interpretation.
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The phrase “dutch engineer” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
The entry’s evidential value lies in the named roles, institutions and publications that can be tested against primary documentation. The source revision retrieved here is dated Mar 5, 2026. The linked authority identifier is Q16859369. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1659, 1742, 1686 and 1700.
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This entry incorporates text from “John Lofting” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.