Symbolic representation of the <a href="https://en.wikipedia.org/wiki/Arpanet" class="extiw" title="w:Arpanet">Arpanet</a> as of September 1974.
<a href="//commons.wikimedia.org/w/index.php?title=User:Yngvar&amp;action=edit&amp;redlink=1" class="new" title="User:Yngvar (page does not exist)">Yngvar</a>
2007-01-10
<span class="int-own-work" lang="en">Own work</span>, based on notes and recollections from 1974