Early 20th century complete and original set of war office drawing instruments in a solid mahogany case. Made by J J Threadwell and originally supplied to the UK government. The set consists of two tiers of nickel-silver instruments together with stamped ebony parallel rule and celluloid scale rule/protractor housed within its lid. Case lined in blue silk and blue velvet. Instruments and rules marked with the War Office broad arrow and/or makers J.J.T. (also J.J.T.&S.). Case also stamped J.J.T.&S. Measures 19.5 cm x 12 cm x 5 cm.
J J Threadwell are not as well recognised as other leading makers since their instruments and sets were rarely signed. In addition to selling sets under their own name they made high quality instruments for other firms including Charles Baker, W F Stanley, and Troughton & Simms. To see more information on the history of drawing instruments visit our Maker's History pages.
Early 20th Century War Office 2 Tier Technical Drawing Instruments by J.J.T & S
The case is in very good condition with minor surface marks from use. Complete set of instruments which are in excellent condition. Please see images as these form an important part of the description.
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