Two photographs of a differential ratchet, with envelope

Object detail

Date

Circa 1880

Medium

photograph

Measurements

13.5 x 17.2 cm

Accession Number

MHM00996

Inscriptions

addressed to / from ▫ 'W. Stone Esq./(...)/Kew/E.4' & 'Photographs only' ▫ MHM00996.3 - envelope
name/inscriptions ▫ by another hand: 'Photos of model of my differential ratchet as made & used at the Melb./University Engineering School' ▫ MHM00996.3 - envelope

Object Type

photographic medium/photograph
documents

Medical History Museum Category

Photography, Sound and Film

Museum

Medical History Museum

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