Watkins Bee Meter
Bee Meter - Watkins
Alfred Watkins, born in Hereford, invented the Bee Meter, which was patented in April 1890. This was the first light meter to measure the relative intensity of light through Watkins' invention of the actinometer and it allowed a numerical value to be assigned to light. The Bee Meter was a pocket calculator for determining exposure, so-called because it was small and highly efficient. It was manufactured in Friars Street, Hereford, in a building known as The Meter Works.
https://www.bbc.co.uk/ahistoryoftheworld/objects/J7gYX-1oR_-6ret4S32tVA
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Busselton Historical Society
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