image CLP_9i_18_001
Image number: RS.15538
Credit: ©The Royal Society

Iron pot for melting a stone


23 May 1666


Unknown, Artist

Object type

Archive reference number

Manuscript page number




height (page): 303mm
width (page): 193mm


Content object


Small drawing in the margin of an iron pot, used to extract sulphur, vitriol, allum and minium from a single stone found in Sweden. This account was sent in by Sir Gilbert Talbot, one of the founding Fellows of the Royal Society, who served as envoy extraordinary to Denmark from 1664 to 1666. The description was read at the meeting on 23 May 1666 and published in Philosophical Transactions of the Royal Society, vol. 1, no. 21 (January 1667).

This figure was copied in RBO/3/118 and RBC/2/247.

Object history

At the meeting of the Royal Society on 23 May 1666, ‘Sir Paul Neile communicated a paper delivered to him by Sir Gilbert Talbot, containing an account of a stone found in Sweden, yielding sulphur, vitriol, allum, and minium. It was ordered, that Sir Gilbert should be desired to procure a quantity of this stone from Sweden for a trial; and that the paper should be registered’ (Birch 2:94).

Fig. C, figure of an iron pot for melting a stone to extract sulphur etc., printed in Gilbert Talbot, 'A description of a Swedish stone, which affords sulphur, vitriol, alum and minium', Phil. Trans. vol. 1, no. 21 (January 1667), pp. 375-76.

Related Fellows

Gilbert Talbot (1602-1695, British), Natural philosopher
Paul Neile (d.1686, British), Astronomer

Associated place

<The World>
   > Europe
      > Sweden