Antique ivory scale rule and protractor by Elliott of London. This rule would have been made pre 1853 (from when they traded as Elliot Bros). Overall dimensions are 15.4cm x 4.4cm.
In 1800 William Elliott founded a business in Tash Street, Gray's Inn as a maker of drawing instruments (after serving an apprenticeship, see /8). By 1807 he had moved to a shop and workshop in High Holborn, and by 1816 he was manufacturing such items as telescopes and barometers. In 1830 he moved to 56, Strand and took his sons into partnership. The company began to manufacture instruments for surveying, for railways (e.g. steam pressure indicators) and scientific instruments of all kinds. William Elliott died in 1853 and his sons Charles and Frederick William continue the business as Elliott Bros. In the second half of the 19th century the company began manufacturing electrical instruments, and in 1893 they amalgamated with Theiler & Co, telegraph and instrument makers – and with a move to new premises in 1900, they began making speedometers and instruments for ships and aircraft. In 1947 the company merged with the weighing machine manufacturers B and P Swift. A research laboratory as set up at Boreham Wood and the company began the earlier manufacture of computers and flight automation equipment (made at Rochester). Various takeovers followed with operations being moved to alternative sites. Earlier equipment made by Elliott is displayed in the Science Museum, London.
Antique Ivory Scale Rule and Protractor by Elliott, London
This rule is in overall excellent condition. There are exceptionally minor chips to the ivory on two of its corners - one of which is barely visible but included here as part of the item's comprehensive description. (Shown in last image.) Please see images as these form an important part of the description.
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