18-19     . ..

, / GILLRAY, JAMES
1756, 1815,

û, Ȼ
1792

, . 312246; 275224

: Pub.d Jan.y 3d 1792. by H. Humphrey 18 Old Bond Street.

: A SPHERE, projecting against a PLANE. Definitions from Euclid} Def: 1st B:4th A Sphere, is a Figure bounded by a Convex surface; it is the most perfect of all forms; its Properties are generated from it's Centre; and it possesses a larger Area than any other Figure. _ Def: 2 d B:1st A PLANE, is a perfectly even & règular Surface, it is the most Simple of all Figures; it has neither the Properties of Length or of Breadth; and when applied ever so closely to a SPHERE, can only touch its Superfices, without being able to enter it – Vide. Euclid, illustrated; by the Hon.ble M.rs Circumference.

: .. (); () 1918; 1924

. Ö20477



-   , .   «»: « , »; « , , »           [IV, 1; I, 2].

( .. )

| | | | | | | | | | | | E-mail