An Encyclopædia of Architecture: Historical, Theoretical, & PracticalLongmans, Green, and Company, 1881 - 1395 Seiten |
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Seite 353
... feet ) . Cou- lomb . · A man weighing 150 French lbs . can ascend by stairs 3 French feet in a second for 15 or 20 seconds . Coulomb . · - - 0.412 0.391 0.258 - 5.22 20 sec . · 1.152 30 min . For half an hour 100 French pounds may be ...
... feet ) . Cou- lomb . · A man weighing 150 French lbs . can ascend by stairs 3 French feet in a second for 15 or 20 seconds . Coulomb . · - - 0.412 0.391 0.258 - 5.22 20 sec . · 1.152 30 min . For half an hour 100 French pounds may be ...
Seite 412
... feet per second , multiply the square root of the height in feet by 8 . For air we have V = √27,720 166,493 × 8 = 1332 feet per second : this , therefore , is the velocity with which common air would rush into a void : or 79,920 feet ...
... feet per second , multiply the square root of the height in feet by 8 . For air we have V = √27,720 166,493 × 8 = 1332 feet per second : this , therefore , is the velocity with which common air would rush into a void : or 79,920 feet ...
Seite 413
... feet , and by the sum of its top and bottom breadths in feet . Let w = Then weight of stalk in pounds = 90,000 p = pressure of wind in pounds per square foot equal to stability of stalk h = height of stalk in feet 50 feet - b = breadth ...
... feet , and by the sum of its top and bottom breadths in feet . Let w = Then weight of stalk in pounds = 90,000 p = pressure of wind in pounds per square foot equal to stability of stalk h = height of stalk in feet 50 feet - b = breadth ...
Seite 436
... feet . In practice it is found necessary to confine the use of cells to spans exceeding 100 or 150 feet : within these limits the same objects are most economically obtained by the use of thicker plates ( page 215 ) . " The more nearly ...
... feet . In practice it is found necessary to confine the use of cells to spans exceeding 100 or 150 feet : within these limits the same objects are most economically obtained by the use of thicker plates ( page 215 ) . " The more nearly ...
Seite 437
... feet = W tons . Here 514 cwts . may be used for side castings , or 536 cwts , for erect castings . The other 536 = 26 · 8 , called 27 tons . quantities are obtained thus : 20 for tons = 257 , called 26 tons ; 20 When I is used in feet ...
... feet = W tons . Here 514 cwts . may be used for side castings , or 536 cwts , for erect castings . The other 536 = 26 · 8 , called 27 tons . quantities are obtained thus : 20 for tons = 257 , called 26 tons ; 20 When I is used in feet ...
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15th century aisles arch architect architecture axis base beam breadth bricks building built called cast iron Castle cathedral cement centre of gravity chapel choir church circle circumference colour columns construction Corinthian order cube cubic foot curve decorated depth describe diameter dome Doric order draw edifices ellipsis employed entablature equal erected examples extrados feet girder given Gothic granite half horizontal houses inches inclined intercolumniations joints length lime limestone marble mortar mouldings nave oolite ornaments palace parallel parallelogram perpendicular piece piers placed plane plates portico Portland stone Prop proportion pyramid quarries radius rafters rectangle ribs right angles right line Roman Rome roof sandstone side similar sofite solid square stone strength style surface tangent temple thickness tiles timber tons tower transepts triangle upper vault vertical Vitruvius voussoirs walls weight whereof width wood