Spectacle Eye Test Optometer
£65
Eye Test Optometer Lens Concave Convex W H Wollaston Antique
Dimensions
10,3/4
Circa
1900
Countries of manufacture
North America, UK and Ireland
Description
Nickel-plated brass optometer, circa 1900 Conceived around 1870 by W.H. Wollaston Patent applied for around 1875.
This was used to help determine the power of glasses a person would require.
The sliding disc has graduated dots and says, “Count the dots”.
The main bar has scales for concave and convex.
In very good sound condition and good working order, some scratches to the lens not visible in use, replaced screw in slider.
Very effective but with obvious limitations,
Guaranteed old and original.
Ask the Dealer
Dealer information
Cog Scientific
As a fine art sculpture graduate I have applied my appreciation and understanding of form and function to my lifelong professional career in the antiques trade. Over forty years dealing in what I considered worthy, within the fields of decorative arts and sciences, I have always purchased over a wide spectrum and look forward to offering an exciting variety of stimulating pieces.
