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Fuller’s Spiral Slide Rule Calculator

by W. F. Stanley, London, in wooden case, together with a barograph, a Hockley Abbey John Rabone & Sons tape measure and a metronome (4)

Measurements:
length 43 cm
Provenance:
The Estate of Neville Grace, Sydney
  • EStimate $300 - $500
  • sold $720 Incl BP
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