Take that, astrolabe
Tom Johnson: Medieval Time, 19 October 2023
Alle Thyng Hath Tyme: Time and Medieval Life
by Gillian Adler and Paul Strohm.
Reaktion, 247 pp., £20, March,978 1 78914 679 0 Show More
by Gillian Adler and Paul Strohm.
Reaktion, 247 pp., £20, March,
“... inscriptions there is a precise semi-circle, subdivided into quarters, with further divisions to mark the canonical hours. Later, the ‘shepherd’s dial’, an engraved cylinder mounted with a pointer to cast a shadow, made the technology portable.The thinking man’s timepiece was the astrolabe, first developed in Greece but significantly improved by Arab ... ”