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Early English Quadrant By Rowland
Photos
Description
Antique Ebony Hadley's Quadrant/Octant signed: R Rowland. Bristol. Fore & Back Sights with Peter Dollond's Patent Horizon Mirror Adjustment. Patent No.1017 22-5-1772 15" inch Radius,Scale Divided in 1 minute Divisions, Scale minus 1 to 97 Degrees, Vernier reading to 1 minute of Arc. Filters 2 Red 1 Green, Oak Stepped Box. Richard Rowland of Bristol Quay W. 1793-1811.
Ivory Exemption No. DYACF626. Ca. 1800. More Images Available on request. Free UK delivery.
DateLate 18th Century
Codeas1263a002 / RRBO
Price £2000.00 
€2308.60 
$2702.80 
The price has been listed in British Pounds.
Conversion rates as of 13/MAY/2026.
Euro & Dollar prices will vary and should only be used as a guide.
Always confirm final price with dealer.StatusFor Sale SellerMike Read Antique Sciences Telephone07850193718Non UK callers :+44 7850193718 Emailmichaelread060@gmail.com
€2308.60 
$2702.80 
The price has been listed in British Pounds.Conversion rates as of 13/MAY/2026.
Euro & Dollar prices will vary and should only be used as a guide.
Always confirm final price with dealer.StatusFor Sale SellerMike Read Antique Sciences Telephone07850193718Non UK callers :+44 7850193718 Emailmichaelread060@gmail.com
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