A 19th-Century continental railway gauge instrument,

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A 19th-Century continental railway gauge instrument,
unsigned, with callipers, rule, engraved with scale 1-20, spirit level with fine vertical adjustment and micrometer wheel, steel square, brass and steel railway sections, the lid with folding inner cover containing a scale rule engraved with various scales, engraved Schaal Van .1/75,, and with alternate scales for Rynland, Amsterdam, Paris, London, and signed H.G. Duesfn, with trade label for ROCHETTE Jne A PARIS, in red-stained chamois leather-lined case -- 12.3/4in. (32.4cm.) wide

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