Brass Burstow's patent Ellipsograph by W.F.Stanley

Mathematics

1876

Brass Burstow's patent Ellipsograph by W.F.Stanley, London

Brass ellipsograph invented by John Farey

Mathematics

1812-1820

Brass ellipsograph invented by John Farey (junior).

Instrument for drawing oval curves

Mathematics

Instrument for drawing oval curves

Ellipsograph, ebony and electrum

Mathematics

1852-1859

Ellipsograph, ebony and electrum, by W. & S. Jones, 30 Holborn, London

Cubitt's Ellipsograph

Mathematics

Cubitt's Ellipsograph without case

Ellipsograph (elliptic compass); probably made by Henry Perigal

Mathematics

Ellipsograph (elliptic compass), owned and probably made by Henry Perigal.

Farey's brass ellipsograph

Mathematics

Brass Farey's Ellipsograph with one small pair of pencil compasses for use with instrument.

Ellipsograph patented 6 July 1875 in Washington

Mathematics

1875-1885

Ellipsograph patented 6 July 1875 in Washington, D.C. by Morton Toulmin and made by Watts & Co., Baltimore, Maryland, in walnut case with key

Clement's Ellipsograph with accessories including key

Mathematics

1804-1827

Clement's Ellipsograph with accessories including key, screwdriver, pen, engraving point etc. Engraved.-"Joseph Clement Invenit, Holtzapffel and Deyerlein, London, Fecerunt"

Ellipsograph in mahogany case with accessories

Mathematics

1840-1860

Ellipsograph, brass, in mahogany case with accessories, signed Troughton & Simms, London, mid 19th

Ellipsograph made by the late James Nasmyth

Mathematics

Ellipsograph made by the late James Nasmyth

Clement's Ellipsograph in decorated box

Mathematics

Clement's Ellipsograph in decorated box

Elliptograph devised in 1840 by John Hick of Bolton

Mathematics

1840

Elliptograph devised in 1840 by John Hick of Bolton, in box

Finney's ellipsograph by W.F. Stanley

Mathematics

1876

Finney's ellipsograph by W.F. Stanley, London, 1876.

Klugh's Ellipsograph by E.A. Neham

Mathematics

Klugh's Ellipsograph by E.A. Neham, marked 'C&G M462 - Imp. College ' in box