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Tullidge's Patent Astigmatic Clock
OPTOMETRIC INSTRUMENTS
astigmatism test
Groos Ltd; J. & H. Taylor
Europe: United Kingdom
1909-1913
wood; paper; metal; card
advertisement: 269 mm x 179 mm; instruction card: 87 mm x 158 mm; overall: 265 mm x 232 mm x 60 mm

Astigmatism test intended for window display / promotional purposes, comprising a clock-type wooden frame, with rear-extending support, enclosing a circular paper dial and three-pointed revolving indicator. Together with an original instruction card. Also a reproduction used in later museum display of a 1911 advertisement for the device.


2016.1054

Transferred from the former Museum and Library of Optometry, Aston University / Gift of the family of the late Anthony G. Sabell FCOptom, 2016



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