This looks worth having, to dip-into
https://archive.org/details/1800-mechanical-movements-devices-and-appliances_202005
But it’s interesting to note the PDF file sizes:
.
.
The small version has searchable text, but mediocre images
The large version has better images but is not searchable
… other formats are available.
MichaelG
Edited By Michael Gilligan on 07/08/2023 15:53:47