English, C. 1800-1810 signed on the horizontal plate Berge London Late Ramfden, the 28 cm. telescope with rack focus, suspended bubble level, pale blue green tinted object glass, and lens cap, secured by twin clamps to the upper part of the vertical half-circle supported by tapered by cylindrical trunions and inverted - V frame supports; the vertical circle engraved on one face with scale 70 degree - 0 - 60 degree the vernier incorporating rackwork, two scales on the other face, the upper 30 degree - 0 - 30 degree Diff. of Hypo & Base; the horizontal plate with level and cross-bubble (damaged), cylindrical compass box with finely engraved silvered compass, plain steel bar needle with jewelled cap, stepped circle dived 0 degree -360 degree on the upper scale and 0 degree-90 degree four times on the lower; the angled horizontal circle divided 0 degree - 360 degree with rack and pinion adjustment and twin verniers; on a four-screw tripod mount with tangent screw fine adjustment and butterfly nut clamp, 28 cm. high. Mattew Berge succeeded to the business of Jesse Ramsden, one of the greatest instrument makers of all time, in 1800.

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