The economy of the eyes
Subtitle: precepts for the improvement and preservation of the sight.  Plain rules which will enable all to judge exactly when, and what spectacles are best calculated for their eyes.  Observations on opera glasses and theatres, and an account of the pancratic magnifier, for double stars, and day telescopes
By: By William Kitchiner
Publisher: Hurst, Robinson & co.
Published: 1824
Place of publication: London
Language: eng
Number of pages: 246
Subjects: Eyeglasses; Telescopes