Title: Conservateur de la Vue ...
Description: Description of anatomy and maladies of the eye as well as the causes of defective vision. Also describes various kinds of eyeglasses, telescopes, binoculars, and microscopes. There is also an account of Benjamin Franklin's bifocal. A catalogue of optical, mathematical, and physical instruments manufactured by the Chevallier firm is included at the end.
Subjects: Optics, Vision, Eye, Eyeglasses, Microscopy, Microscopes, Optics and Photonics, History, Vision Tests