An oxidised and lacquered brass sacharimeter signed HERMAN & PFEISTER of BERN No.462 with telescope, vernier, silvered scale, rack and pinion adjustment, three interchangable scopes on pillar support lacking base - 20¼in wide (4)

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An oxidised and lacquered brass sacharimeter signed HERMAN & PFEISTER of BERN No.462 with telescope, vernier, silvered scale, rack and pinion adjustment, three interchangable scopes on pillar support lacking base - 20¼in wide (4)

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