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   Matt Blaze (mattblaze@federate.social)'s status on Thursday, 04-Apr-2024 04:08:48 JST Matt Blaze

   in reply to

   • petabites

   @HoustonDog Oh, Curtas are *great*! And an amazing backstory, too.

   I have a couple in my collection. (Never, *ever* try to take one apart, BTW).

   • Embed this notice
     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

   • Embed this notice
     Matt Blaze (mattblaze@federate.social)'s status on Thursday, 04-Apr-2024 04:08:51 JST Matt Blaze

     in reply to

     Seriously, this thing is *nuts*. I doubt it could even be designed today.

     https://www.nzeldes.com/HOC/Posographe.htm

   • Embed this notice
     Matt Blaze (mattblaze@federate.social)'s status on Thursday, 04-Apr-2024 04:08:52 JST Matt Blaze

     You might have your fancy light meters and in-camera exposure histograms, but I’ll always have my trusty Posographe, an early 20th century mechanical exposure calculator with an insanely complex system of sliders and internal levers.

     #photography