SOLD! Vintage Ricoh Bamboo 105 Slide Rule in Box

  • $48.99
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Here is a vintage Ricoh Japan 105 slide rule in original box. This slide rule is in good vintage used condition, the box shows ware, writing and marks. Great for a collection or to be used.

Slide rule with closed frame, celluloid on bamboo, double-sided slide, metal-rimmed plastic cursor. Tables of useful constants and how to calculate with them on reverse of stock. It consists in three strips of bamboo attached together through a plastic panel in middle. Scales are engraved into celluloid in colour red and black.

Over the 19th and much of the 20th centuries the slide rule was the primary instrument for calculation used by many people engaged in the trades and in engineering. Although originally invented in the 17th century, and widely used for gauging (or estimating the quantities of certain products such as alcoholic spirits) it took until around 1850 for the slide rule to become generally popular with those for whom mathematics was a daily task.

Although we try to give an accurate description, remember, this is a vintage item and there may be small imperfections from age or flaws from production that we have not noticed or noted in the comments. We try to list all the deficiencies, marks etc. Please review ALL pictures closely.

If you are purchasing multiple items from our shop, we are happy to combine shipping and refund the difference.

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