Agree! Really prefer mechanical to digital. The idea of running out of power at an inconvenient time just grates on me, and it can be less obvious if electronic components aren’t doing exactly what they’re supposed to do.
I found possibly the same model on Amazon, and have found it invaluable for design classes the last couple years:
https://www.amazon.com/gp/product/B00B5XJW7I/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
