Antiques > Science & Medicine (Pre 1930) > Engineering

RARE Antique Brass Circular Slide Rule Cased In Mahogany - Unknown Origin




Item History & Price

Information:
Reference Number: Avaluer:106501Maker: Unknown
Original Description:
This is an antique circular slide ruler that appears to be circa 19th century. It measures 5 1/4" in diameter.The face is brass with steel, and there are no patents or makers to be seen. It is housed in a turned mahogany case with removable lid. Perhaps the information is on the bottom.I would love any information that could be provided for this rarity.Please ask any questions prior to bidding. Payment is desired within 2 days of auction close. Thank you~

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