1908 Sheffield-Simplex six-cylinder 7.2-litre 45 hp as displayed at Olympia
Unknown author<span style="display: none;">Unknown author</span>
1907-11-01
<a rel="nofollow" class="external free" href="https://babel.hathitrust.org/cgi/pt?id=mdp.39015010964719">https://babel.hathitrust.org/cgi/pt?id=mdp.39015010964719</a> Hathi Trust The Autocar] November 9th 1907