Resultados 1-3 de 33
Vitruvius describes another water clock , though without stating whether Ktesibios or one of his successors built it . One improvement in the mechanism was to connect the float with the revolving shaft by a cord wound around a drum and ...
And around +500 , some unknown craftsman built , at Gaza on the frontier between Egypt and Palestine , the most elaborate water clock that had yet been seen . We know about this clock from a battered manuscript in the Vatican ...
Altogether Su's clock must have been an impressive spectacle , what with the continual splashing , the clatter of the escapement , the creak of the shafts in their bearings , and the frequent outbursts of drums , bells , and gongs .
Comentarios de la gente - Escribir un comentario
Calificaciones de los usuarios
LibraryThing ReviewCrítica de los usuarios - PDCRead - LibraryThing
This was originally written in 1962, and is therefore is a little dated. Sprague de Camp has written a book all about the different civilisations and the technologies that that invented or acquired ... Leer comentario completo
LibraryThing ReviewCrítica de los usuarios - Schmerguls - LibraryThing
5609. The Ancient Engineers, by L. Sprague De Camp (read 21 Jan 2019) This book was first published in 1963 and hence its bibliography includes nothing after that date. It undertakes to tell of the ... Leer comentario completo
One The Coming of the Engineers
Three The Mesopotamian Engineers
Four The Greek Engineers
Derechos de autor
Otras 7 secciones no mostradas