| http://www.w3.org/ns/prov#value | - Earlier this week I hacked together a primitive nine-channel punched paper tape reader, but it had a number of limitations: the LEDs that I was using to read the bits were noisy and slow, the materials used didn???t mask the light well enough, the tape wasn???t mechanically aligned well, the electronics were a mess and the entire mechanism was difficult to use.
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