Details
An 18th-Century brass sector and square,
signed Heath & Wing, London -- 12in. (30.5cm.) opened, with finely engraved scales; and an 18th-Century brass-mounted ebony sector, unsigned, with stamped numerals -- 31in. (78.7cm.) opened
See Illustration, detail (part lot) (2)
signed Heath & Wing, London -- 12in. (30.5cm.) opened, with finely engraved scales; and an 18th-Century brass-mounted ebony sector, unsigned, with stamped numerals -- 31in. (78.7cm.) opened
See Illustration, detail (part lot) (2)