Thanks! Macroexpanded:
The hand-cranked Curta mechanical calculator (2021) - https://news.ycombinator.com/item?id=34093268 - Dec 2022 (14 comments)
3Hz Computer, Hold the Transistors - https://news.ycombinator.com/item?id=32352902 - Aug 2022 (39 comments)
Curt Herzstark and His Pocket Calculator CURTA - https://news.ycombinator.com/item?id=20443592 - July 2019 (1 comment)
ReCurta: Our goal is to build the first Curta calculator since 1972 - https://news.ycombinator.com/item?id=16035091 - Dec 2017 (26 comments)
3D Printed Curta Part VIII - https://news.ycombinator.com/item?id=11686593 - May 2016 (2 comments)
The Curta Mechanical Calculator - https://news.ycombinator.com/item?id=10726059 - Dec 2015 (7 comments)
Curta: a mechanical calculator - https://news.ycombinator.com/item?id=9903984 - July 2015 (6 comments)
Curta mechanical calculator - https://news.ycombinator.com/item?id=8873306 - Jan 2015 (14 comments)
Curta calculator - hand-held, mechanical arithmetic - https://news.ycombinator.com/item?id=3062925 - Oct 2011 (16 comments)
Curta calculator - https://news.ycombinator.com/item?id=1045002 - Jan 2010 (17 comments)
There's also http://curtamania.com/curta/code/home.html, a site which has appeared on HN a few times but not for its Curta material.