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Sunshine recorder

Sunshine recorder, with a strip of paper (replaced daily) to record the burnt trace made by focusing the sun's rays by means of the solid glass sphere, probably made by L. Casella, London, c. 1900

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Advanced search Search terms must be longer than two characters. Use a * as a wildcard to widen your search (for example, bagpipe* will find bagpipe, bagpipes and bagpiper).