When Regiomontanus settled at Nuremberg in 1471, Walther built for their common use an observatory at which in 1484 clocks driven by weights were first used in astronomical determinations.
Bernhard Walther, a rich patrician, became his pupil and patron; and they together equipped the first European observatory, for which Regiomontanus himself constructed instruments of an improved type (described in his posthumous Scripta, Nuremberg, 1544).
An outbreak of war, meanwhile, diverted the king's attention from learning, and in 1471 Regiomontanus settled at Nuremberg.
Ziegler, Regiomontanus ein geistiger Vorlaufer des Columbus (1874); J.
The Premature Death Of Regiomontanus Caused The Design To Be Suspended For The Time; But In The Following Century Numerous Memoirs Appeared On The Subject, Among The Authors Of Which Were Staler, Albert Pighius, Johann Schbner, Lucas Gauricus, And Other Mathematicians Of Celebrity.
In this they were much hindered by the lack of correct translations of Ptolemy's works; and in 1462 Regiomontanus accompanied Cardinal Bessarion to Italy in search of authentic manuscripts.
Celestial globes were manufactured by Regiomontanus (d.