Reader Control with feed hole strobe & feed hole transition out-of-tape sense, Double
<UL>
<LI><b>M7050C</b> is a version of DEC's M7050C.</LI>
<LI><b>M7050D</b> is a version of DEC's M7050D.</LI>
<LI><b>M7050E</b> is a version of DEC's M7050E.</LI>
<LI><b>M7050X</b> is a'modernized' drawing of DEC's M7050.</LI>