An early 19th Century brass surveying level, signed on the compass dial W.& S. JONES 30 HOLBORN LONDON, the telescope with lens rack and pinion focusing (lacking screws), dust cover and bubble level, over compass dial divided quadrantley, with leveling screws on staff mount in fitted mahogany case - 221n.(56cm.)wide

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An early 19th Century brass surveying level, signed on the compass dial W.& S. JONES 30 HOLBORN LONDON, the telescope with lens rack and pinion focusing (lacking screws), dust cover and bubble level, over compass dial divided quadrantley, with leveling screws on staff mount in fitted mahogany case - 221n.(56cm.)wide

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