拍品 238
238
An early 19th-Century lacquered brass gunner's quadrant with engraved arc and bubble level, with trade label for Thomas Jones and inscribed R F Armstrong in ink, in shaped oak case - 24 5/8ins. (62.5cm.) long; and a 19th-Century lacquered brass sighting level with engraved 18Inch rule, signed Troughton & Simms London, in pine case - 23½ins. (59.7cm.) wide. (2)

細節
An early 19th-Century lacquered brass gunner's quadrant with engraved arc and bubble level, with trade label for Thomas Jones and inscribed R F Armstrong in ink, in shaped oak case - 24 5/8ins. (62.5cm.) long; and a 19th-Century lacquered brass sighting level with engraved 18Inch rule, signed Troughton & Simms London, in pine case - 23½ins. (59.7cm.) wide. (2)