The When Of Gadgets

One of my favorite stories, republished in a great anthology. It's fun--take a look at it. After the stroke, Great Grandpa's mind filled with plans--all drawn on onion skin paper with T-square and calculations done by slide rule. He began to build things, not certain of what they did.

Phantasmical Contraptions & More Errors Kindle Edition

https://www.amazon.com/Phantasmical-Contraptions-Errors-Jessica-Augustsson-ebook/dp/B0B9NHHMQM/ref=sr_1_1?crid=11OMF8LGBX1S0&keywords=phantasmical+contraptions+and+more+errors&qid=1661561630&sprefix=phantasmic%2Caps%2C134&sr=8-1