On Sunday, March 27, 2011 4:21:05 AM UTC+11, Michael J. Mahon wrote: > The IBM 650 was perhaps the best known of these computers. SOAP > (Symbolic Optimizing Assembly Programmer) was its corresponding > assembler. > I found a video of a 650 in action. I hadn't realised how noisy they where, what with the whirring of the motor and the clacking of the card reader.