hello ....
My collection - not all old but 99% of what I own;
PDP 11/05 1 + 1 in parts - cards and one 'backplane' that came from the desk where they were mounted - CDC name Plate 'Tape 1 2 3 4' maybe some sort of Tape Controller ... the desk was aprox 3x5 maybe 4 x 6 with these massive 6...