Details
F. BARKER & SON, London
A boxwood and lacquered-brass Francis-patent universal surveying level, with compass box with silvered-dial (lacking needle and glass), three pairs of folding sights, two pairs of bubble-levels and stamped and engraved with various scales, the base signed Inventer (sic) & Patentee George Francis, C.E. Chester -- 7¾in.(19.5cm.)long closed, circa 1890

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