Sheraton, Thomas; Bensley, Thomas; Mathews, James; Bensley, Thomas [Bearb.]; Mathews, James [Bearb.]; Terry, George [Bearb.]; Jordan, Jeremiah Samuel [Bearb.]; Wayland, L. [Bearb.]: The Cabinet-Maker And Upholsterer's Drawing-Book: In Three Parts (London: Printed For The Author, By T. Bensley; And Sold By J. Mathews ... C. Terry ... J.S. Jordan ... L. Wayland ... And By The Author, 1793)

( 99 )

No, 14, is a Conoid; a folid, which terminates from its bafe
to its vertical point in a curved or elliptic direction. Some-
times the curve of its fide is hyperbolic, and fometimes para-
bolic. See Plate IL Fig. 35, 36.
Its bafe, like the Cone, is either an ellipfis or circle.
No. 10, is a Hemifphere *, which is one-half of a globe cut
by a plane palling through its center, and therefore is contained
under two fuperficies.
No. 11, is a Sphere, or whole globe, which is a body or
folid, bounded by one convex furface, whofe parts are all at
the fame diftance from the central point, as the perifery of a
circle is to its center.
Of the SecHons and Coverings of regular and irregular 'Figures;
and how to find curved Lines to anfwer tbeir various Sections.
The Section f of any folid is, when it is fuppofed to be cut
by any plane palling in fome direction through it, which,
* Hemifphere, from spaiga, fpbaira, a globe or fphere, and hemifus^ half, i. e.
half a globe.
t Sedion, a cutting or dividing ; “ from fcco, to cut.”
N 2 of