Sarah Guppy
English inventor / From Wikipedia, the free encyclopedia
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Sarah Guppy, née Beach (5 November 1770 – 24 August 1852) was an English inventor and the first woman to patent a bridge, in 1811. She developed a range of other domestic and marine products.[1]
Sarah Guppy | |
---|---|
Born | Sarah Maria Beach 5 November 1770 Birmingham, England |
Died | 24 August 1852 (aged 81) Clifton, Bristol, England |
Nationality | English |
Spouses |
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Children | Samuel Guppy, Jr. (1795–1875), Thomas Richard (1797–1882), Sarah Maria Ann (1801– ), Mary Elizabeth (1806–1841), Robert (1808– ), Grace (1809–1838). |
Engineering career | |
Discipline | Inventor |
Significant design | A tea or coffee urn that also cooked eggs, the fire hood, a candlestick that made candles burn longer |
Significant advance | Improvements in ship caulking and barnacle prevention |
Following the publication of an erroneous entry in the ONDB in 2016, now corrected[2] Guppy has in recent times been incorrectly credited with the design of Isambard Kingdom Brunel's Clifton Suspension Bridge. She patented her ideas for a chain bridge in 1811 (before the announcement of the first competition for a bridge across the Avon Gorge) but this design was never realised.[3] Brunel’s winning design for a bridge across the Avon Gorge differed from Guppy's patent in several significant ways: it had a deck suspended from flat wrought iron bar links rather than resting on top of chains like Guppy's; and it did not feature riverbed foundations (a key component of Guppy's design) as it was constructed on rock, 75 metres above high tide where the piers were not at risk of damage from water erosion.[4]
Sarah Guppy was very selfless in her invention process, and cared more for the greater good of the public than for her own personal gain or credit. For example, while she contributed significantly to the design of Thomas Telford’s Menai Bridge, Sarah waived the fees for Telford’s use of her ideas (Higgitt, 2016). She contributed the majority to this bridge design, however personal profit was not the priority (Higgitt, 2016). [5]