Base for planimeter patented 1904 by Connolly Brothers

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Base for planimeter patented 1904 by Connolly Brothers, London. The base is circular, with a hole in the centre. Text on the top reads 'Connolly's patent'.

Details

Category:: Mathematics

Object Number:: 1988-218 Pt3

Materials:: metal (unknown)

type:: base

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Base for planimeter patented 1904 by Connolly Brothers

Details

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