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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://mastodon.world/users/HoustonDog/statuses/112208467690414882">petabites (houstondog@mastodon.world)'s status on Thursday, 04-Apr-2024 04:08:49 JST</a><a href="https://mastodon.world/@HoustonDog" title="houstondog@mastodon.world"><img src="https://gnusocial.jp/avatar/154680-48-20240926225848.webp" width="48" height="48" alt="petabites" style="position: absolute; left: 0; top: 0;">petabites</a><div><a href="https://federate.social/@mattblaze/112186502557456395" rel="in-reply-to">in reply to</a><ul><li></ul></div></section><article><p><a href="https://federate.social/@mattblaze">@mattblaze</a> <br> <br>I think that such "internal levers" are quite underrated. <br> <br>There is a <a href="https://mastodon.world/tags/MathGrenade" rel="tag">#MathGrenade</a> auction on Ebay right now (in its final day, up to $550 currently) of a 1964 CURTA hand crank mechanical calculator <br> <br>__www.ebay.com/itm/226066922742<br> <br>* complete with metal case for this <a href="https://mastodon.world/tags/PepperGrinder" rel="tag">#PepperGrinder</a> design, from a WWII Concentration camp (Buchenwald) survivor</p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/2896250#notice-5756796">In conversation</a><time datetime="2024-04-04T04:08:49+09:00" title="Thursday, 04-Apr-2024 04:08:49 JST">about a year ago</time> <span>from <span><a href="https://mastodon.world/@HoustonDog/112208467690414882" rel="external" title="Sent from mastodon.world via ActivityPub">mastodon.world</a></span></span><a href="https://mastodon.world/@HoustonDog/112208467690414882">permalink</a><h4>Attachments</h4><ol><li><label><a rel="external" href="https://gnusocial.jp/attachment/2455993">exploded-view poster drawing of over 150 internal pieces of a hand crank, sixty year old manufactured mechanical calculator; descriptions are in German but not necessary for understanding the intricacy of all the moving parts - photo from www.vcalc.net</a></label><br><a href="https://s3.eu-central-2.wasabisys.com/mastodonworld/media_attachments/files/112/208/451/228/371/727/original/401a2ad9782015a9.jpg" rel="external">https://s3.eu-central-2.wasabisys.com/mastodonworld/media_attachments/files/112/208/451/228/371/727/original/401a2ad9782015a9.jpg</a></li><li><label><a rel="external" href="https://gnusocial.jp/attachment/2455994">Untitled attachment</a></label><br></li></ol></footer></blockquote>

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petabites (houstondog@mastodon.world)'s status on Thursday, 04-Apr-2024 04:08:49 JSTpetabites
in reply to
- Matt Blaze
@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
In conversationabout a year ago from mastodon.worldpermalink
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1. exploded-view poster drawing of over 150 internal pieces of a hand crank, sixty year old manufactured mechanical calculator; descriptions are in German but not necessary for understanding the intricacy of all the moving parts - photo from www.vcalc.net
  https://s3.eu-central-2.wasabisys.com/mastodonworld/media_attachments/files/112/208/451/228/371/727/original/401a2ad9782015a9.jpg
2. Untitled attachment

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