3-foot telescope
<a href="//commons.wikimedia.org/wiki/The_Illustrated_London_News" class="mw-redirect" title="The Illustrated London News">The Illustrated London News</a>
1843-09-09
<p><a href="//commons.wikimedia.org/wiki/The_Illustrated_London_News" class="mw-redirect" title="The Illustrated London News">The Illustrated London News</a>, 1843 Vol. 71 
</p>
<a rel="nofollow" class="external free" href="https://archive.org/details/sim_illustrated-london-news_1843-09-09_3_71/page/165/mode/1up?view=theater">https://archive.org/details/sim_illustrated-london-news_1843-09-09_3_71/page/165/mode/1up?view=theater</a>