Ruxton Multivider - Mechanical Pencil & Slide Rule
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Ruxton Multivider Mechanical Pencil & Slide Rule Calculator
14k gold filled model circa 1930
Ruxton Multivider Corporation
Graybar Building New York City
The Ruxton multivider cleverly combines a mechanical pencil with a simple slide rule for quick multiplication and division calculations.
Ruxton Multivider Mechanical Pencil & Slide Rule Calculator
Sterling silver filled model (above) with case
14k Gold filled model (below) with cap remved to reveal eraser
For a quick multiplication using the Ruxton Multivider, just slide the arrow over the first multiplicand and the answer appears on the lower scale below the second as shown below, 2 x 3 = 6 "Simplicity itself"
Ruxton Multi-Vider Instruction Booklet Page 1
Ruxton marketing literature December 1929
The Ruxton was available in a variety of colors as shown above.
Ruxton Patent Drawing (GB Patent 325357)
Marketing Letter Ruxton Multivider 1929
Ruxton Advertisement from MIT "The Tech" 1928
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White Ruxton 14k Gold Filled Model (source ebay)
Ruxton Multi-Vider Mechanical Pencil Math Pen 1929 (Source ebay)
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