The British Encyclopedia: Or, Dictionary of Arts and Sciences. Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, Volume 4Mitchell, Ames, and White, 1818 - Natural history |
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... surfaces , when this line , by being carried round the circumference of the base , comes to the proposed point . ག II . The solid figure , contained by the conic surface and the circle ADB , is call- ed a cone . The point V is named the ...
... surfaces , when this line , by being carried round the circumference of the base , comes to the proposed point . ག II . The solid figure , contained by the conic surface and the circle ADB , is call- ed a cone . The point V is named the ...
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... surface , so as neither to be a tangent , nor to be parallel to a right line contained in the conic sur- face , will meet either the same , or the opposite , conic surface again in another point . Let a plane be drawn through the ver ...
... surface , so as neither to be a tangent , nor to be parallel to a right line contained in the conic sur- face , will meet either the same , or the opposite , conic surface again in another point . Let a plane be drawn through the ver ...
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... surface . Fig . 6. Let the point B be without the base of the cone , and let QR , drawn through P , without or within the conic surface , be parallel to V B , and let it cut the conic surface in Q and R : through P and the line V B draw ...
... surface . Fig . 6. Let the point B be without the base of the cone , and let QR , drawn through P , without or within the conic surface , be parallel to V B , and let it cut the conic surface in Q and R : through P and the line V B draw ...
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alkali alum Ammonia angle animal appear axis Barytes base bath bisect blue body boiled botany called calyx capsule carbonic carbonic acid centre circle class and order colour common CONCHOLOGY cone conic section conic surface copper corolla cotton court crystals curve degree diameter dissolved draw drawn dyeing earth ellipse equal Essential character figure five flowers fluid four galls genus heat heraldry hyperbola inches iron Jussieu kind length less lime liquor Magnesia matter ment Monogynia class motion multivalve muriatic Muriatic acid native Natural order nitric Nitric acid observed opposite hyperbolas Oxide parabola parallel person petals plane plants Plate potash pounds produced proportion quantity racter right line salt seeds shade shell side silk Soda solution sometimes species square stomach Strontian stuff substance sulphate sulphuric acid tangent tartar tion valve vessel weight wool yellow