<div class="description">
<dl><dd>Based on a series of articles called Letters to a young architect on ventilation and heating, which appeared in the Sanitary engineer, 1880-82</dd>
<dd>NLM copy, clipping about the chemical formulae of Prof. Trowbridge bound between p. 24 and 25</dd>
<dd>Includes bibliographical references and index</dd>
<dd>Microfilm</dd>
<dd>Condition reviewed</dd>
<dd>digitized</dd></dl><br>Subjects: Ventilation; Heating</div>
<div class="fn value">
Billings, John S. (John Shaw), 1838-1913</div>
Internet Archive identifier