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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eBay
Vintage calculator in very good physical condition. Doesn't turn on so sold as spares and repairs.
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In used condition with marks of usage. Works fine. Length - 7.3cm Face diameter - 3.5cm
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eBay
Includes glass microscope slides (as shown). Slides show age and handling wear. Heavy cast iron construction.
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A stunning antique carved barometer and thermometer, it has a centre finial to the shaped carved top and small finials either side. Having enamelled thermometer under with turned columns either side. Under having a round thermometer with visible works and a carved detail to the edge with centre finial under. Circa 1900 #Edwardian
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Ref L580 CAB106 S3.
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