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    ‘Lead’ pencils have never actually contained any traces of lead, but rather a mix of graphite and other materials.

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Alanson Crane patented the fire extinguisher

On the 10th February, 1863, Alanson Crane patented the fire extinguisher.

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  • On 26th March, 1872, Thomas J. Martin patented an unusual Improvement in Fire-Extinguishers.... Read more »
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  • On 30th May, 1871, James Boyd patented his rubber lined fire engine hose... Read more »
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