Details
A 19th-Century lacquered-brass surveying station pointer,
signed Troughton & Simms, London, the circle divided 0°-180°-0°, with two verniers, two tightening screws, three extension arms, scriber and screwdriver, in fitted mahogany case -- 34in. (86.4cm.) long
See Illustration (detail)
signed Troughton & Simms, London, the circle divided 0°-180°-0°, with two verniers, two tightening screws, three extension arms, scriber and screwdriver, in fitted mahogany case -- 34in. (86.4cm.) long
See Illustration (detail)