Copy 1

The economy of the eyes: : 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 William Kitchiner, M.D.

  • Kitchiner, William, 1775?-1827.
Date:
1824
Catalogue details

Licence: Public Domain Mark

Credit: The economy of the eyes: : 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 William Kitchiner, M.D. Source: Wellcome Collection.

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    Proper Shape for the Openings sean hold the Glasses «+++ sereeeevcnes 112 Length of the First Joint+eseseseeeese 113 Prices of Spectacles+++«+++++++ aoees 114 Cuap. XV. Or rHe QUALITY OF SPECTACLE GLASSES, AND HOW TO MEASURE THEIR TFocaL fev othe te sak Loe eo. 115 XV ES BER RIBS: ti etelnteleieletela ateicseve a tae dee 7 117 The Expense of the Best Glasses is a Groat per A VVTTIT + <i is: 0:0. 0. eh e.< ddae 12} XVII. Own tHE various DEGREES OF THE PERFECTION OF THE EYEAND Far 121 The Gritty Chordie ees Save wine etaie Hoven LZ The Ocular Harpsichord «++++++++++- 122 Beef and Cabbage, the music of-+++++ 123 Good Sense and Good Senses-+«+++-+. 124 Perfect en Seaiibis > icin bie lda tava (ode to wiote 6 127 Bact Sensesies + «es be sd 4 cite $e by sidid e645 28 Advantages of Insensibility-«+ee. se. 129 Pancratvic EYE-TUBE +++eeeeeeees 130 Portraits of Double Stars +eeeeess++ 133 Day TEetescorPes, how to use with per- fect Vision and with effective Power 136 « Geminorum seen double «esess+e++ 137 ¢ Bootis GO. sceletcieasd 6 slg'c 6 138 Hints to Observers of Double Stars »-- 139 Hints to Dumpy Fanciers -e++++---- 140 Newtonian Diagonal Eye-piece ++++++ 146 Advice to Buyers of Telescopes se++++ 157 XVIII. Opera GLASSES seeeeeeeeesess 16] How to adjust an Opera Glass for various Eyes, and for various Ages, and Ob- jects at different distances -+++-+++ 163 How to hold an Opera Glass ++seee+-. 163 Field of View in an Opera Glass «+++ 167 The Grand Dandy Opera Glass «+++» 168