Mechanical thermometer Cromwell Mortimer

Mechanical thermometer by Cromwell Mortimer

Fine art poster
Fine art poster

  • Amazing giclée print quality
  • 280gsm thick fine art print paper
  • 100+ year colour guarantee
  • Dimensions:
    • x cm including border ( x in)
    • x cm excluding border ( x in)
£14.95

Framed picture
Framed picture

  • Premium wooden frame with a thick bevel-cut mount
  • Fully strung, ready-to-hang
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  • Dimensions:
    • x cm including border ( x in)
    • x cm excluding border ( x in)
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Canvas
Canvas

  • 400gsm artist grade cotton
  • Giclée fine art print
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  • European kiln-dried knotless pine
  • Dimensions:
    • x cm including border ( x in)
    • x cm excluding border ( x in)
£14.95

Postcard
Postcard

  • Printed on 320gms thick watercolour paper
  • Blank reverse for your own message
  • Dimensions:
    • x cm including border ( x in)
    • x cm excluding border ( x in)
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Greetings card
Greetings card

  • Printed on 320gms thick watercolour paper
  • Blank inside for your own message
  • Supplied with envelopes and protective cellophane sleeves
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Mechanical thermometer

Scheme 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 initialled and dated below "CM delin. Apr. 10. 1735." Royal Society Register Book Original, vol.19 1734-1736, pp.161-184. The paper was read before the Royal Society on 8 May 1735.

Original: ink and watercolour on paper. 1735

  • Image reference: RS-9828

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