<p>Photograph showing gun shop at Armstrongs works. This is believed to show the two <a href="https://en.wikipedia.org/wiki/Armstrong_Whitworth_12_inch_/40_naval_gun" class="extiw" title="en:Armstrong Whitworth 12 inch /40 naval gun">12-inch gun</a> turrets for British battleship <a href="https://en.wikipedia.org/wiki/HMS_Cornwallis_(1901)" class="extiw" title="en:HMS Cornwallis (1901)">HMS Cornwallis</a> under construction.
</p>
<br>See <a href="//commons.wikimedia.org/wiki/File:Gun_Shop_in_Armstrong_Works_Cornwallis_closeup_LOC_ggbain_00178.jpg" title="File:Gun Shop in Armstrong Works Cornwallis closeup LOC ggbain 00178.jpg">File:Gun Shop in Armstrong Works Cornwallis closeup LOC ggbain 00178.jpg</a> for closeup of markings on foreground turret faces, indicating Cornwallis.
photographer not identified
circa. 1902 - 1903
This image  is available from the United States <a href="//commons.wikimedia.org/wiki/Library_of_Congress" title="Library of Congress">Library of Congress</a>'s <a rel="nofollow" class="external text" href="//www.loc.gov/rr/print/">Prints and Photographs division</a><br> under the digital ID <a rel="nofollow" class="external text" href="http://hdl.loc.gov/loc.pnp/ggbain.00178">ggbain.00178</a>.<br><small>This tag does not indicate the copyright status of the attached work. <span style="white-space:nowrap">A normal <a href="//commons.wikimedia.org/wiki/Special:MyLanguage/Commons:Copyright_tags" title="Special:MyLanguage/Commons:Copyright tags">copyright tag</a> is still required.</span> <span style="white-space:nowrap">See <a href="//commons.wikimedia.org/wiki/Special:MyLanguage/Commons:Licensing" title="Special:MyLanguage/Commons:Licensing">Commons:Licensing</a>.</span></small>