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Search results: 4 matches found for Wren
  1. Hovercraft — 2023-10-07 09:48:35
    …962, aged 94, some obituaries of this great museum director and manuscript collector, friend of Bernard Shaw and T.E. Lawrence, literary executor of Thomas Hardy, called him simply "**grandfather of the hovercraft**".) == War Years == During …
  2. Hypodermic Syringe — 2021-08-12 20:33:54
    …a similar syringe which quickly came into use in many surgeries under the name of 'The Pravaz Syringe'. == Christopher Wren 1656 == Christopher Wren performed the earliest confirmed experiments with crude hypodermic needles, performing intrav…
    …enous injection into dogs in 1656. Wren and others’ wanted to learn if medicines traditionally administered orally would be effective intravenously. {{Image …
  3. Adjustable Spanner — 2021-08-10 08:22:45
    …n September 1843. This versatile tool can be adjusted to fit a variety of nuts and bolts and allows a single adjustable wrench to replace an entire set of fixed spanners. == Thrupp Mill == {{Image url="ClyburnSpanner1843Detail.jpg" class="left…
    …e in several countries. The spanner, //from Germanic spannen (tighten)//, in a modern sense is a different tool to the wrench, //olde English to twist//. …
  4. Lawn Mower — 2021-08-10 08:19:36
    …icesterKingPower.jpg" class="left-right" title="Leicester Football Ground by John Ledwidge" width="" }} == Adjustable Wrench == {{Image url="BuddingWrench.jpg" class="right" title="Budding screw wrench" width="500" }}Budding also invented an …
    …**adjustable spanner** or 'screw wrench' around **1842**, registered in 1843. An alternative //crest headed// adjustable spanner was developed by a work coll…

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