Brass Transit Instrument by W. R. Williams

Description:

Brass Transit Instrument by W. R. Williams, Newport, (possibly England),mid-19th century, with 2-inch lens, 26-inch body tube, Newtonian eyepiece with rack-and-pinion focusing, vertical circle divided 0-90-0o x 2 and twin verniers, mounted by conical axis to (later) mahogany stand, ht. 24 in.
Estimate $1,000-1,500

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