Spectacles, why and when to use them, or, Near and far-sightedness, the use and abuse of glasses / by F.A. von Moschizisker.
License information
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Spectacles, why and when to use them, or, Near and far-sightedness, the use and abuse of glasses / by F.A. von Moschizisker. Credit: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.). Public Domain Mark