From 1930 General Catalogue No. 330. <a href="https://en.wikipedia.org/wiki/Pryke_%26_Palmer" class="extiw" title="en:Pryke &amp; Palmer">Pryke &amp; Palmer Ltd.</a>, Upper Thames St., London E.C.4.
<span lang="en">Anonymous</span><span style="display:none">Unknown author</span>
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