Toeltius, J. G.

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Toeltius, J. G. Public Domain Mark. Source: Wellcome Collection.

About this work


Coelum reseratum chymicum. Geheimer Schlüssel über des Tholdii Coelum reseratum. De Magia divina oder Caballistischer Geheimnisse. Illustrated with water-colour drawings of symbolic alchemical figures, alchemical apparatus, furnaces, etc., also of sigils, etc. Calligraphic titles in coloured inks, with symbolic devices: headings underlined in red and green. The general title of the MS. is 'Schrifftliche Unterrichtung der wahren Weissheit von der F[raternitatis] R[oseae] C[rucis], Nach dem rechten Original'. The 'Coelum reseratum' begins on the second leaf, and ends at p. 200. It is followed by 'Geheimer Schlüssel' (pp. 201-221), and 'De magia divina' (pp. 223-263), and 8 ll. of 'Register'. On the verso of the last leaf of the MS. is an Attestation in German, dated 10 March, 1737, by Johann David Froberg, Imperial Notary Public, that the MS. has been translated from the French original in his own possession, and that the figures and sigils have been accurately copied. A former owner has written in very faint pencil, an English summary of this Attestation.



Physical description

1 volume 4 ll. + 265 pp. + 8 ll. folio. 32 × 20 cm. 19th cent. quarter-calf binding.


Acquisition note

Purchased at Hodgson's 26/10/1934, Lot 797 (part).

Biographical note

This work, first published in German in 1737, may possibly have originally been written by Johann Thölde in 1612, as claimed in the title in this MS. [cf. Ferguson. 'Bibliotheca Chemica', Vol. II, pp. 457, 458 and pp. 445, 446 (s.v. Thölde)].

Finding aids

Database description transcribed from S.A.J. Moorat, Catalogue of Western Manuscripts on Medicine and Science in the Wellcome Historical Medical Library (London: Wellcome Institute for the History of Medicine, 1962-1973).

Ownership note

From the Library of Julius Kohn, with his name stamped on the first leaf.


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Accession number

  • 66931