»Early Troughton & Simms Theodolite with
Sights«, c. 1830
Signed "Troughton & Simms, London", lacquered brass, silvered compass scale with vernier, Ø 5
in. (13 cm), 3 spirit levels, on later tripod, overall height 15 in. (38
cm)
Estimate: € 1,000/1,500
US$ 1,400/2,100
Reserve: € 500 /US$ 690
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