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plaque · England

John Philip Holland

Photograph at the John Philip Holland plaque

Holland 1 Designer: John Philip Holland Built by Vickers Maxim at Barrow-in-Furness and launched in 1901, this pioneer submarine was powered by a 160hp petrol engine and had a surface speed of 8 knots. A 70hp electric motor gave a submerged speed of 7 knots. Holland 1 was the Royal Navy's first operational submarine.

Inscription drawn from imported open data, awaiting original TributeLegacy editorial.

Source: Open Plaques. Geographic data via OpenStreetMap.

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Location records are drawn from open, licence-clean datasets, kept here with attribution and gratitude to the people who maintain them.

  • Open Plaques, dedicated to the public domain (CC0). See openplaques.org.
  • Wikidata, available under the CC0 1.0 Universal dedication.
  • © OpenStreetMap contributors, available under the Open Database Licence.
  • Historic England, National Heritage List for England, used under the Open Government Licence v3.0. War memorial records are drawn from open community datasets (OpenStreetMap, Wikidata, NHLE) — never from the Commonwealth War Graves Commission, which is excluded.

Editorial descriptions, photography and tribute links are original TributeLegacy work, layered on top of the open data.

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