An early 19th-Century brass 1.3/8-inch single-draw telescope,

Details
An early 19th-Century brass 1.3/8-inch single-draw telescope,
signed on the draw-tube NAIRNE & BLUNT London, the draw-tube further engraved with four settings to correspond with the rotating eyepieces, on tapering pillar support and folding tripod stand, the whole arranged so as to dismantle and be contained in the outer body-tube -- 4.3/4in. (12cm.) long closed

See Colour Plate 3 and detail

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