. Haswell's engineers' and mechanics' pocket-book ... Rule 2, Jig. 18.—Divide the line A B also into three equal parts, e f; tiom the GEOMETRY. 53 length off B, describe the arcs A p-VnH R * „„^1 ^i ^°- ^ P° « /, with the^ .Jnd iUni it w,n complete^fotS^r Goihlia^r ^ ^ ^ ^^^ *^ arcs . ^ ^ndfg, and it will complete another Gothic^ch^ ^ ° P >« E2 54 CONIC SECTIONS. CONIC SECTIONS. Definitions, A Cone is a solid figure having a circle for its base, and termina-ted in a vertex. Conic Sections are the figures made by a plane cutting a cone. An Ellipse is the section of a cone when cut by a plane
. Haswell's engineers' and mechanics' pocket-book ... Rule 2, Jig. 18.—Divide the line A B also into three equal parts, e f; tiom the GEOMETRY. 53 length off B, describe the arcs A p-VnH R * „„^1 ^i ^°- ^ P° « /, with the^ .Jnd iUni it w,n complete^fotS^r Goihlia^r ^ ^ ^ ^^^ *^ arcs . ^ ^ndfg, and it will complete another Gothic^ch^ ^ ° P >« E2 54 CONIC SECTIONS. CONIC SECTIONS. Definitions, A Cone is a solid figure having a circle for its base, and termina-ted in a vertex. Conic Sections are the figures made by a plane cutting a cone. An Ellipse is the section of a cone when cut by a plane obhquelthrough both sides. A Parabola is the section of a cone when cut by a plane paralle; to its side. , , , . ^ A Hyperbola is the section of a cone when cut by a plane, making a greater angle with the base than the side of the cone makesThe Transverse Axis is the longest straight line that can be drawn ^^ The Conjugate Axis is a line drawn through the centre, at rightangles to the transverse axis. ^ , An Ordinate is a right line draw
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Keywords: ., bookcentury1800, bookdecade184, booksubjectmechanicalengineering
