<i>Title:</i> New perforating machine used by the Bureau of Engraving and Printing for perforating postage stamps ... / National Photo.
<i>Abstract/medium:</i> 1 photographic print.
National Photo Company.
<p>Library of Congress
</p>
<ul><li><i>Catalog:</i> <a rel="nofollow" class="external free" href="http://lccn.loc.gov/2006692618">http://lccn.loc.gov/2006692618</a></li>
<li><i>Image download:</i> <a rel="nofollow" class="external free" href="http://cdn.loc.gov/service/pnp/cph/3c30000/3c37000/3c37100/3c37123v.jpg">http://cdn.loc.gov/service/pnp/cph/3c30000/3c37000/3c37100/3c37123v.jpg</a></li>
<li><i>Original url:</i> <a rel="nofollow" class="external free" href="https://www.loc.gov/pictures/item/2006692618/">https://www.loc.gov/pictures/item/2006692618/</a></li></ul>