<div class="description">
<dl><dd>16 pages : 21 cm</dd>
<dd>Cover title</dd>
<dd>Condition reviewed 20160708</dd>
<dd>digitized. 2018</dd></dl><br>Subjects: Refractive Errors; Optical Devices</div>
<div class="fn value">
James W. Queen &amp; Company, author</div>
Internet Archive identifier