Left-handed Volute compass and box
1725-1775
Right handed volute compass in box
1725-1775
Butenschon's elliptical trammels in box
Elliptic trammel
Drum component for volute compass
1760
Drum component for volute compass
1760
Drum component for volute compass
1760
Drum component for volute compass
1760
Drum component for volute compass
1760
Semi-elliptical trammels by Narrien
1808-1825
Volutor, instrument for drawing spirals
1857-1867
Parabolagraph by Coradi No.4. in box
Crank pen for drawing curves, made by W.F. Stanley
1876
Ellipsograph, ebony and electrum
1852-1859
Instrument for drawing conic curves
1931-1933
Brass Burstow's patent Ellipsograph by W.F.Stanley
1876
Volutor, instrument for drawing spirals
1857
Ellipsograph patented 6 July 1875 in Washington
1875-1885
Elliptical Trammel
1760-1772
Instrument for drawing oval curves
Cubitt's Ellipsograph
Drum component for volute compass
1760
Double cranks for architectural drawing
Brass ellipsograph invented by John Farey
1812-1820
Right-handed Volute compass and box
1725-1775
Instrument for drawing parabolas
1892
Volute compass, 1760.
1760
Volute compass with six instrumental accessories
1760
Johnson's 'Volutor'
Ellipsograph (elliptic compass) in case
Ellipsograph devised in 1840 by John Hick of Bolton
1840
Ellipsograph in mahogany case with accessories
1840-1860
Klugh's Ellipsograph by E.A. Neham
Clement's Ellipsograph in decorated box
Conchoidograph by W.F. Stanley
1876
Finney's ellipsograph by W.F. Stanley
1876
Elliptic trammels by "Shuttleworth London" with extra bearing and case
1760-1811
Payne-Coradi parabolograph (No.7) made by G.Coradi
Brass Farey's Ellipsograph, in original fishskin case, with small pair of pencil compasses
Cubitt's Ellipsograph and passe-partout drawing
1876
Clement's Ellipsograph in mahogany case (16 3/4" x 16" x 4 7/8") (no key); with accessories including key
1802-1827
Semi-elliptic trammel by W.F. Stanley
1876