PDP8 Accumulator
<UL>
<LI><b>R210A</b> is a drawing of DEC's R210A.</LI>
<LI><b>R210I</b> is a drawing of DEC's R210I.</LI>
<LI><b>R210L</b> is a drawing of DEC's R210L.</LI>
<LI><b>R210X</b> is a 'modernized' R210.</LI>