T E C H N O L O G Y A N D M A T E R I A L S B y J.

T H E C A N O N I C A L T R A D I T I O N By ERIK IVERSENĤ. M A T H E M A T I C S A N D A S T R O N O M Y B y G. T H E C A L E N D A R S A N D C H R O N O L O G Y B y R I C H A R D A. Oxford University Press, Ely House, London W. OX FO RD Panorama of Egypt, from the frontispiece to the first edition o f the Description de I'^lgypte