|Title:||Sir: the summe of what I have heretofore written or spoken to you, concerning the advancement of the mathematickes|
|Location:||British Library shelfmark 528.n.20.(5*.|
Sloane no. H 84: no fixed url, search the Sloane Printed Books catalogue.
|Size/format:||Folio (single sheet)|
|Provenance:||Sloane, Hans (1660-1753)|
|Provenance references:||Mandelbrote, 'Sloane's Purchases' (2009), p. 127; Poole 'Haak' (2007), p. 4n15.|
|Annotations:||On the verso of this single sheet document is a note in Hooke's hand 'mr Haak told me June 30 1678 [this] was printed about ye year 1638'.|
|Other notes:||British Library catalogue describes it as "A letter written by John Pell to Samuel Hartlib."|