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hello folks welcome back to our IBM 1401 exhibit our dinosaur computer from the 1960amp;#39;s and today I want to take you through one of the challenging repairs we had to do on this tape unit. That will give you a chance to see how it is built inside, it is quite amazing actually. So this tape is called a vacuum column tape and the way it works is that instead of going directly under the read heads, the tape is first is sucked in by vacuum in this vacuum column right here, that Carl just opened for us, and then it allows the tape to coil into a reservoir here and the capstan can pull on it very fast. It can start and stop so fast that it can just read one record at a time and of course thatamp;#39;s done so this can be operated like disk drives which didnamp;#39;t exist at the time In a second we are going to hit the load button and you will see how the tape is sucked in the vacuum column. Youamp;#39;ll hear and vacuum coming on first So Carl if you can load it. here we go and the