| Country of Origin | United Kingdom |
|---|---|
| Sub-Type | Slide Rules |
| Type | Engineering/ Surveying |
| Period | 1901 to 1950 |
| Material | Wood and celluloid |
Check the listing for details. Vintage engineers slide rule Simplon Bilateral instructions tool Dargue Brothers. Condition: Used, Made in United Kingdom. Listed at 20.41 USD. This vintage slide rule, made by Dargue Brothers in the United Kingdom between 1901 and 1950, is a rare find for collectors and enthusiasts of engineering and surveying tools. The Simplon Bilateral slide rule is crafted from a combination of wood and celluloid, showcasing the craftsmanship and materials of that era. With its intricate design and functionality, this slide rule serves as a valuable piece of history, reflecting the precision and expertise of engineering practices from the early 20th century. The package contains an original tatty set of the instructions and a battered and broken original box. Please see photographs for more detail.
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