The economy of the eyes / by William Kitchiner.

  • Kitchiner, William, 1775?-1827.
Date:
1826
Catalogue details

Licence: Public Domain Mark

Credit: The economy of the eyes / by William Kitchiner. Source: Wellcome Collection.

Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.

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    PAGE The Length of the Bridge 125 Mean Distance between the Eyes 126 Width of a common Spectacle Frame 127 How many Tears shed Daily 128 Proper Shape for the Openings which hold the Glasses 129 Length of the First Joint . 130 Prices of Spectacles 132 Chap. XV. Of the Quality of Spectacle Glasses, and how to measure tjheir Focal Length + 132 XVI. Pebbles 135 The Expense of the Best Glasses is a Groat per Annum 139 XVII. On the various Degrees of the Per- fection of the Eye and Ear 139 The Gritty Chord \ 140 The Ocular Harpsichord « 140 Beef and Cabbage, the music of 142 Good Sense and Good Senses 143 Perfect Senses 146 Bad Senses 148 Advantages of Insensibility 149 XVIII. Opera Glasses 150 How to adjust an Opera Glass for various Eyes, and for various Ages, and for Objects at different distances 153 How to hold an Opera Glass „ 153 Field of View in an Opera Glass 157 The Grand Dandy Opera Glass 158 The Stops 158 The Opening of the Pupil 162 Revolving Eye-head 163 French Operas 163