A 19th Century lacquered brass part theodolite (telescope missing), the horizontal plate signed Gilkerson & CO.,Tower Hill, London, the half vertical compass and chamfered horizontal circle with silvered scales, tangent screw fine adjustment and twin verniers on four screw tripod attachment - 12¼in.high

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A 19th Century lacquered brass part theodolite (telescope missing), the horizontal plate signed Gilkerson & CO.,Tower Hill, London, the half vertical compass and chamfered horizontal circle with silvered scales, tangent screw fine adjustment and twin verniers on four screw tripod attachment - 12¼in.high
see illustration

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