deskthority

Again, this guy collection could help us to complete the strange switch inside the old calculator.
He assembled lots of calculator from his collections. So we could see which switch does the model has.

http://www.curtamania.com/curta/code/item_articles.html

This Sharp Compet CS-2109B having the modular of dome with metal leaf(likes Apple switch and Futaba clicky switch).
Never seen this switch befre!



http://www.curtamania.com/curta/databas ... index.html