Tuesday, 13 November 2012
Drawing Instruments:Ellipsographs
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Good Electrum and Steel Ellipsograph or Elliptical Trammel by J & W E ARCHBUTT.
201, Westminster. Bridge Road. Lambeth.
It has Large and Small Crosses with Pen and Pencil Attachments and Ivory Support Wheel. In Original Mahogany Box.
Steel Beam 11" Large Cross 3" Small Cross 2" Box 14. 1/2" X 3. 3/4"
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English, after 1812, unsigned, but similar to examples signed by W. & W. Jones. Made of brass and consisting of a framework of parallel rulers and 4" diameter concentric circles, with a central crossbar and socket to hold a pen or pencil. The circles can be moved by a small rack & pinion, with a pair of milled screw heads, which enable different varieties of ellipse to be drawn. This rare early ellipsograph is in very good overall condition, missing the bow pen and pencil holder, in its original 7" x 6 1/2" x 1 1/2" polished mahogany case.
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| Large Elliptical Trammel signed on the Cross & the Trammel John Hay. Gilder, Newcastle on Tyne. John Hay. Gilder was also recorded as working in Aberdeen. Scotland. Cross 14" Trammel 36" |
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| Early Farey Ellipsograph. |
Drawing Instruments: Protractors
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| A Very Fine Swing Arm Protractor by W & S Jones: £550 |
There are 181 drawing instruments on Fleaglass at the moment of which 28 are protractors priced between £50 and £1750. There are good English examples from the eighteenth centuries as well as fine examples of French workmanship. They fall into three categories, semicircular, 360 degree and folding arm protactors by English makers such as Cary, Troughton and Simms, W & S Jones, and Elliot Brothers.
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| Meurand a Paris |
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| Unusually large protractor 1820-40 480 euros |
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| Au Griffon a Paris 18th cent. 250 euros |
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| J Bennett c1750 £200 |
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| Pigeon a Lyon 18th cent 220 euros |
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