3 Blundell Harling rulers No 44-V Verulam RIBA Scale Ruler 12” (300mm) No 43-V Verulam No. 4-V Verulam has a few nicks and a hole which may not be original See photos.
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Made in Poland c.1970s. Complete set. In very good condition.
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A lovely vintage map measuring tool 🩵All of my items come from a pet and smoke free home. 🩵I always package very well and post tracked with Royal Mail or Evri although I’m happy to use a different service if you require. 🩵I try where possible to use recycled packaging. 🩵If you have any questions about your purchase please always message as I’m happy to help in anyway I can.
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William Fowler’s Universal Calculator is one of a range of circular slide rules produced in Manchester from the end of the 19th century and into the second half of the 20th. By setting the angular separation of the two hairlines to represent a given multiplication factor (i.e. logarithm), you can then use this separation to multiply or divide any number by that factor.
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The set typically includes various drafting tools such as compasses, dividers, and ruling pens.
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Perfect for those looking to add a piece of British engineering history to their collection, this joblot is a valuable and nostalgic treasure.
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Good overall working condition.See photographs for condition and further information. Total Length of dividers 10cm.
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