1 matching record(s)
file W (Stack)Thorndike, Lynn
"Invention of the Mechanical Clock about 1271 A.D."
extract from Speculum, vol. XVI, 1941, pp. 242-243.
[1965-157]
1941
1 matching record(s)
file W (Stack)Thorndike, Lynn
"Invention of the Mechanical Clock about 1271 A.D."
extract from Speculum, vol. XVI, 1941, pp. 242-243.
[1965-157]
1941