Baen Books has a free library where one can download 1632 in any e-Book format for FREE. Dozens, nay hundreds, of other titles are also available for zilch.
Well, I can’t cover everything in one post, y’know?
;-)
Anyway, the best tech development story in the 1632 series, IMHO, is how they came up with a working alternator for downtime manufactured radios ...