Computer Operations Inc. Linc Tape II tape drive (S.N. 2653), a <a href="https://en.wikipedia.org/wiki/DECtape" class="extiw" title="w:DECtape">DECtape</a> clone probably made in late 1978 (estimated from quality control dates on components), mounted in an Optima <a href="https://en.wikipedia.org/wiki/Rack_unit" class="extiw" title="w:Rack unit">3U</a> case made by <a href="https://en.wikipedia.org/wiki/Scientific_Atlanta" class="extiw" title="w:Scientific Atlanta">Scientific Atlanta</a> (<span><a rel="nofollow" class="external text" href="https://patents.google.com/patent/USD203826">U.S. Patent D203,826</a></span>).  The Optima brand was later sold to <a href="https://en.wikipedia.org/wiki/Elma_Electronic" class="extiw" title="w:Elma Electronic">Elma Electronic</a>.
<a href="//commons.wikimedia.org/wiki/User:Douglas_W._Jones" title="User:Douglas W. Jones">Douglas W. Jones</a>
<span class="int-own-work" lang="en">Own work</span>