The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, Literature and General Information, المجلدات 9-10Hugh Chrisholm University Press, 1910 |
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الصفحة 68
... iron one of Roman ( ? ) age ( 13 ) . Flint axes were made in imitation of metal in the XIIth Dynasty ( 9 ) . Battle - axes with rounded outline started as merely a sharp edge of metal ( 10 ) inserted along a stick ( 10 , 11 ) ; they ...
... iron one of Roman ( ? ) age ( 13 ) . Flint axes were made in imitation of metal in the XIIth Dynasty ( 9 ) . Battle - axes with rounded outline started as merely a sharp edge of metal ( 10 ) inserted along a stick ( 10 , 11 ) ; they ...
الصفحة 69
... iron saws ( 48 ) of the 7th century B.C. Drills were of of iron by the Romans . Corn grinders were flat oval stones , with flint ( 49 ) for hard material and bead - making , of bronze for wood- a smaller one lying cross - ways ( 95 ) ...
... iron saws ( 48 ) of the 7th century B.C. Drills were of of iron by the Romans . Corn grinders were flat oval stones , with flint ( 49 ) for hard material and bead - making , of bronze for wood- a smaller one lying cross - ways ( 95 ) ...
الصفحة 73
... iron rods was also done , to gain more stiffness for thin parts . In gold work the earliest jewelry , that of King Zer of the Ist Dynasty , shows a perfect mastery of working hollow balls with minute threading holes , and of soldering ...
... iron rods was also done , to gain more stiffness for thin parts . In gold work the earliest jewelry , that of King Zer of the Ist Dynasty , shows a perfect mastery of working hollow balls with minute threading holes , and of soldering ...
الصفحة 133
... iron caissons and compressed air , to a depth of about 15 metres on the side next the Seine , and about 9 metres on the other side . At first they curve upwards at an angle of 54 ° ; then they gradually become straighter , until they ...
... iron caissons and compressed air , to a depth of about 15 metres on the side next the Seine , and about 9 metres on the other side . At first they curve upwards at an angle of 54 ° ; then they gradually become straighter , until they ...
الصفحة 136
... Iron ore " ) , a market - place and old mining town in Styria , Austria , 68 m . N.W. of Graz by rail . Pop . ( 1900 ) 6494. It is situated in a deep valley , dominated on the east by the Pfaffenstein ( 6140 ft . ) , on the west by the ...
... Iron ore " ) , a market - place and old mining town in Styria , Austria , 68 m . N.W. of Graz by rail . Pop . ( 1900 ) 6494. It is situated in a deep valley , dominated on the east by the Pfaffenstein ( 6140 ft . ) , on the west by the ...
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acid action al-din Alexandria alternating current amirs ancient angles army became body British Cairo caliph called canal centre century charge chemical church circuit conductor connexion copper Coptic curve death density desert dielectric direction disk distance dynamo Edwards eggs Egyptian electric current electric force electrified electrodes electrolyte electromagnetic electromotive force electroscope elements England English equation Greek important induction insulated ions iron J. J. Thomson Khartum khedive king Kingdom land later Leyden jar London Lord magnetic force Mahommed Malik Mamelukes measure Mehemet Mehemet Ali ment metal monuments native Nile Osman Digna Pasha period plane plate position potential pressure produced quantity railway reign result Roman solution strain stress Suakin Sudan sultan surface Syria temple theory tion tombs town traction troops unit Upper Egypt Wadi Halfa waves wire XIIth Dynasty