Mercury's caducean rod  or, the great and wonderful office of the universal Mercury, or God's vicegerent, displayed. Wherein is Shewn His Nativity, Life, Death, Renovation and Exaltation to an Immutable State; To which is added A General Epistle, discovering the Mysterious Fire of Pontanus. By Cleidophorus Mystagogus.

A philosophical epistle, discovering the unrevealed mystery of the three fires of the Sophi

Galleries and Reading Room

Library

Shop

Café

It's not possible to book tickets for events at present due to a problem with the ticketing system. We're working to fix it. You can still search and check information about events but please try again later if you want to book a ticket.

We're running paid user research studies to improve Wellcome Collection online

Take part in research

Archive collection level pages, plus the archive collection treatment on the work page and in search results.

The catalogue API's shortDescription is shown on the archive collection hero and in search results.

Archive collection

The three thematic browsing category pages (subjects, people & organisations, types & techniques) become accessible.

Subject sub-category pages become accessible, and the subjects category page gains a sub-category menu.

Cleidophorus Mystagogus.

Works from the collections

A philosophical epistle, discovering the unrevealed mystery of the three fires of the Sophi