Kinetic stereoscope

Catalogue Number: 1554
Kinetic stereoscope
Category: Equipment
Sub-Category: Synoptophore, stereoscope
Designer/inventor: Mary Maddox
Year Of Publication/Manufacture: c1935
Time Period: 1900 to 1939
Place Of Publication/Manufacture: England
Description Of Item: Kinetic Stereoscope. Glass, brass & metal in black crackle finish. 2 x 10D eyepiece lenses, a septum separates view of each eye. 2 target stereocards are mounted such that they can be separated and moved through an arc to develop fusion during eye movements. Target cards show a tennis racquet & ball. Left target shows vertical strings, Right target shows horizontal strings. Body printed: 'PAT 388 200 269/269' H: 24.5cm x D: 23.5cm W: 16.5cm
Historical Significance: Mary Maddox was an early orthoptist and credited with being the first orthoptist in the 1920s. She was the daugter of Ernest Maddox (1863-1933) whose books published in the early years of the 20th C elucidated binocular function. References: Textbook of Orthoptics, 1955, H W Gibson, p128 Cat No 1367, Lyle & Jackson's Practical Orthoptics in the Treatment of Squint, Fourth Edition, 1953, T Keith Lyle & Mariane Walker, p30 Cat No 1402.
How Acquired: On loan from Optometrists Association of Australia via Joe Chakman
Date Acquired: 02.08.2010
Condition: Fair
Location: Archive room. West wall. Unit 5 Overhead display

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