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Circumferentor, Italian, 1686
Circumferentor in brass, by J. Lusuerg, made in Rome, Italy, 1686
Circumferentor by G. Adams of London, used in 1763 on the survey of the Mason-Dixon line, 1725-1763
Surveyors compass, 1801-1830.
Surveyors compass, 8.75 inch needle, by W. Harris, 1800-1814
Circumferentor by J. Sisson of London, England, 1731-1770. Used by Henry Cavendish.
Transit compass, signed by Blydenburgh and Giles o
Transit compass, signed by Blydenburgh and Giles of Philadelphia, USA, 1840-1842. Compass needle 125mm, crosshairs missing in telescope, no stand.
Italian off-set circumferentor, 1601-1700
Circumferentor ("ipodimeter") with eccentric alidade, Italian, 17th century
Surveyor's compass (circumferentor), by John Thomas Woodward, London, England, 1836-1856
Circumferentor by Joseph Somalvico & Co., 1839-1899
Surveying compass, cased, with instructions, lid marked Fratelli Bondi, by Joseph Somalvico & Co., London, 1839-1899
Circumferentor by J.M. Kleman and Son of Amsterdam
Circumferentor by J.M. Kleman and Son of Amsterdam, late 18th century, cased.