American Edition of the British Encyclopedia: Or, Dictionary of Arts and Sciences ; Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, 第 3 巻Mitchell, Ames and White, 1819 |
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... proportion it will be 40 × 2 360x23 : the ans . = 55 feet . This calculation will give the breadth of the foundation of the required wall equal to the breadth of the insisting wall itself ; when the height of the required wall is equal ...
... proportion it will be 40 × 2 360x23 : the ans . = 55 feet . This calculation will give the breadth of the foundation of the required wall equal to the breadth of the insisting wall itself ; when the height of the required wall is equal ...
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... proportion to the length of a tooth ; the next course has its indentations formed the same way , and the stones so selected , that the upright joints break upon the solid of the stones below . By these means , the facing and backing are ...
... proportion to the length of a tooth ; the next course has its indentations formed the same way , and the stones so selected , that the upright joints break upon the solid of the stones below . By these means , the facing and backing are ...
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... proportion of the pitch , in ordinary dwellings , is between one - third and one fourth part of the span ; mansions and public buildings are executed in every style that has prevailed in different times and among different people ; and ...
... proportion of the pitch , in ordinary dwellings , is between one - third and one fourth part of the span ; mansions and public buildings are executed in every style that has prevailed in different times and among different people ; and ...
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... proportion to the span , a segment of a circle may be used with success : in this case the arch should not exceed 60 degrees . These particulars being fixed , the prac- tice is as follows : -When the foundation of a stone bridge is to ...
... proportion to the span , a segment of a circle may be used with success : in this case the arch should not exceed 60 degrees . These particulars being fixed , the prac- tice is as follows : -When the foundation of a stone bridge is to ...
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... proportion of cop- per . This metal is first rolled into sheets of the intended thickness of the button , and the blanks are then pierced out as be- fore mentioned . The blanks thus formed are , when intended for plain buttons , usu ...
... proportion of cop- per . This metal is first rolled into sheets of the intended thickness of the button , and the blanks are then pierced out as be- fore mentioned . The blanks thus formed are , when intended for plain buttons , usu ...
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