<div class="description">
<dl><dd>TRFAD is the joint pseudonym of Thomas Roderick Fraser and Andrew Dewar</dd>
<dd>Includes index</dd>
<dd>Filmed from a copy of the original publication held by the National Library of Canada</dd>
<dd>43</dd></dl><br>Subjects: Science; Physics; Sciences; Physique</div>
<div class="fn value">
TRFAD</div>
Internet Archive identifier