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ISAAC CARVER, 1697
细节
AN ENGLISH BOXWOOD SLIDE RULE
ISAAC CARVER, 1697
signed ISAAC . CARVER . fecit . 1697, with scales on all four sides of the body, Foot . M, Inches, Frus. Spheroid, 2 Form, 3 Form, Frus. Cone, Sines, V. Sine, Sines, Numb, [?], A, Chords, Msrrdl[?], Eq. Prs., Rumbs, Chords, V. Sine, Sines, Tange, S. Tang, Squar, Cube, D, [?]; the two slides with further scales Seg Sphear, Seg Circle, Seg. Cone, Seg. Parabolic Spind, Perif Elipsis; Root, 3 Form Lying, 3 Form Stand, 2 Form Lying, 2 Form Stand, Spheroid Lying, Spheroid Stand.
13in. (33cm.) long
ISAAC CARVER, 1697
signed ISAAC . CARVER . fecit . 1697, with scales on all four sides of the body, Foot . M, Inches, Frus. Spheroid, 2 Form, 3 Form, Frus. Cone, Sines, V. Sine, Sines, Numb, [?], A, Chords, Msrrdl[?], Eq. Prs., Rumbs, Chords, V. Sine, Sines, Tange, S. Tang, Squar, Cube, D, [?]; the two slides with further scales Seg Sphear, Seg Circle, Seg. Cone, Seg. Parabolic Spind, Perif Elipsis; Root, 3 Form Lying, 3 Form Stand, 2 Form Lying, 2 Form Stand, Spheroid Lying, Spheroid Stand.
13in. (33cm.) long