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  1. Apr 2025
  2. Feb 2025
    1. Smith-Corona electric typewriters were designed to be turned on and run all day. As a result, old machines which have v-belts with odd grooves in them from sitting so long will sometimes have a recurring thump sound. This can be remedied by running the machine for several hours at which point the belt will warm up and remove the crease. Naturally, one might also remove the belt, warm it up using other means as a method of removing age-related creasing.

    1. https://www.biedlers-belts.com/single-v-belts/polyflex-belts/ This is about the only place that I have been able to find the small V-Belts used to drive IBM and Smith Corona electric typewriters (among others). You can find most any belt you need on this site if you know its dimensions.