Skip to content

Please be aware that some material may contain words, descriptions or illustrations which will not reflect current scientific understanding and may be considered in today's context inaccurate, unethical, offensive or distressing.


Birmingham describes a plant found in Ponticherry [Pondicherry / Puducherry, India] and referred to locally as 'amapechery' that is capable of dissolving stones without any corrosive nature. He suggests it could be useful for dissolving kidney stones. Includes a short covering letter sent by J T [John Theophilus] Desaguliers written at Channel Row [Westminster, London].

Subject: Medicine / Botany

Addressed to Doctor [Cromwell] Mortimer at the Royal Society in King Street, Bloomsbury [London]. Communicated by Desaguliers. Read to the Royal Society on 18 May 1738.

Reference number
Earliest possible date
18 May 1738
Physical description
Ink on paper
Page extent
4 pages

Use this record


Paper, regarding the dissolving of a stone with a plant by Michael Birmingham, 18 May 1738, CLP/12ii/55, The Royal Society Archives, London,, accessed on 13 April 2024

Link to this record

Embed this record

<iframe src="" title="Paper, regarding the dissolving of a stone with a plant by Michael Birmingham" allow="fullscreen" frameborder="0" width="100%" height="500px"></iframe>


This item is part of:

Related Fellows

Explore the collection

  • Classified Papers

    Dates: 1592-1741

    The 'Classified Papers' of the Royal Society are papers from British and international natural philosophers and scholars categorised according to subject areas.

    View collection