地图 地图集 珍本 版画 天文仪器
An observatory magnifier
By [Anonymous], [late nineteenth century]
Rare Pocket Sextant
By CARY, John, [c.1860].
The Meissen Mapseller
By [MAPSELLER], twentieth century].
A proportional response
By CARY, William, [c1790-1810].
An 18th century waywiser
By DOLLOND, [circa 1775].
An Adams Waywiser
By ADAMS, Geo[rge], [circa 1740].
A Cary Waywiser
By CARY, [John], [c1780].
Surveyor’s offset staff
By [ANONYMOUS], c1850.
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