Details
SIMONS, London
A brass theodolite, the telescope with bubble level and front focusing on universal joint over vertical half-circle divided on one side 50°-0°-50° and on the other 30°-0°-30°, with vernier, the compass box with blued needle and engraved silver dial, over horizontal scale divided 10°-360° with vernier, on three levelling screws and tripod mounting eye -- 8½in.(21.5cm.) high, late 18th century
A brass theodolite, the telescope with bubble level and front focusing on universal joint over vertical half-circle divided on one side 50°-0°-50° and on the other 30°-0°-30°, with vernier, the compass box with blued needle and engraved silver dial, over horizontal scale divided 10°-360° with vernier, on three levelling screws and tripod mounting eye -- 8½in.(21.5cm.) high, late 18th century
Further details
See colour plate