Description

meets the Russian Bear

Dave Lawson

The queen stands in the centre

10th April 1982

'Salle-a-Manger

Mechanical thermometer mb-width 3518 meets the Russian BearScheme for a thermometer using temperature variations in an iron rod to move a dial on a clock face temperature scale. The textual account notes that the melting points of metallic elements might be tried and marked upon the scale. From the manuscript copy of 'A discourse concerning the usefulness of thermometers in chemical experiments together with a description and uses of a new invented metalline thermometer', by Cromwell Mortimer. The drawing is

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Mechanical thermometer mb-width 3518 meets the Russian Bear

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