R.H. wrote:
Just posted another set:

http://puzzlephotos.blogspot.com/


Rob

345. Not seen one like this, but appears to be a calculator; "slide
rule" style"

346. Leather punch?

347. ??

348. Drill chuck - end on?

349. electric motor?

350. Almost a "blunt" horse spur; although not seen one with flat
'spur' like this.

giovani