Dondis, Johannes de (1318-1389)

Galleries and Reading Room

Library

Shop

Café

Due to essential system maintenance, online requesting will be unavailable from 9pm until midnight on Tuesday 21 April. You can still search the catalogue as usual. We apologise for any inconvenience.

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

Take part in research

Planetarium: opus de fabrica horarii magistralis. Written in a semi-currenthumanistic hand, 30 lines to a page. Some initials and headings in red, much faded. Illustrated with 59 pen-drawings of parts of the clock, etc.: of these, 33 are coloured. There are also many smaller illustrations of minior pieces of mechanism. The colourings are in water-colour and gold paint. Inside the lower cover is a 17th cent. pen and ink drawing, showing three men standing outside the door of a house, one bare-headed, holding a jug [?]. Fol. 1 (Text begins) et calculationis tedio ac si ad dictam horam fuerit cum tabulis operatus modicissima/et paruae curae si qua interueneit differentia uarietatis... 14, line 1 ...Fuit namque/huius temporis. scilicet. 1364. anno christi perfecto secundum tabulas alfonsi in fine ge/-minorum... 83v ... Et sic/eo situato reduc deorsum ut denticuli inzegnonsis reinserantur cum/sua rotula et in axicula reimpone cauillam sicque dimitte.//Factus est hic liber Anno Domini 1364. ut colligitur/ex principio pagine 14.

Dondis, Johannes de (1318-1389)

Licence and re-use