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   petabites (houstondog@mastodon.world)'s status on Thursday, 04-Apr-2024 04:08:49 JST petabites

   in reply to

   @mattblaze
   
   I think that such "internal levers" are quite underrated.
   
   There is a #MathGrenade auction on Ebay right now (in its final day, up to $550 currently) of a 1964 CURTA hand crank mechanical calculator
   
   __www.ebay.com/itm/226066922742
   
   * complete with metal case for this #PepperGrinder design, from a WWII Concentration camp (Buchenwald) survivor