True Sciences
Astronomy
Astronomy and Ancient Greek Cult
Examining the relationship between ancient Greek religion and cult practices in relation to astronomy. Thesis by Efrosyni Boutsikas. Opens in PDF. Submitted by Brann
An article on the astrolabe written by Geoffrey Chaucer around 1391AD. Submitted by Brann
A paper presenting a hands-on introduction to the medieval astrolabe. Opens in PDF. Submitted by Brann
Chaucer's astrolabe for the rest of us. Opens in PDF. Submitted by Brann
Mathematics
Ptolemy's Mathematical Approach
A paper describing the applied mathematics of Ptolemy in the 2nd century as well as mathematics of his predecessors. Thesis by Nathan Sidoli. Opens in PDF. Submitted by Brann
Mechanics
A Medieval Fire-Breathing Automaton
Documentation for a dragon automaton made by Antonia di Lorenzo. Opens in PDF. Submitted by Brann
A Rare German Prosthetic Hand, circa 1580
A thread discussing a couple of prosthetic hands, including that of Gotz von Berlich. If you scroll down, there is a period image of the internal workings of such a hand. Submitted by Brann
The Iron Hand of Gotz von Berlich
A brief history of von Berlich and his iron hand. Submitted by Brann