A James Swift Brass Transit Theodolite, English, late 19th century,signed James Swift University St. London, the anodised brass instrument with silvered vertical and horizontal silver scales, with Verniers and magnifiers, telescope with bubble level and rack-and-pinion focusing, on staff-head mount with four levelling screws, in fitted mahogany case with trade label, two plumb-bobs, and alternative eyepiece, the case with leather securing strap,
theodolite 13in (33cm) high
case 7in x 12 1/2in x 10 1/4in (18cm x 32cm x 26cm)
A James Swift Brass Transit Theodolite, English, late 19th century,signed James Swift University St. London, the anodised brass instrument with silvered vertical and horizontal silver scales, with Verniers and magnifiers, telescope with bubble level and rack-and-pinion focusing, on staff-head mount with four levelling screws, in fitted mahogany case with trade label, two plumb-bobs, and alternative eyepiece, the case with leather securing strap,
theodolite 13in (33cm) high
case 7in x 12 1/2in x 10 1/4in (18cm x 32cm x 26cm)
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
