On Sunday, 8 March 2020 19:03:07 UTC, Chris Green wrote:
tabbypurr wrote:

It's just the 'improvement' that was patented then. Resistive piles were
in use in the 1800s, and wirewound blocks with a wiper arm were a more

In the 1800s? Do you really mean in the period 1800 to 1810? Or did
you mean some time in the 19th century?

1800-1900

I wouldn't have thought there
was anything electric powered anywhere in the 1800 - 1810 period.

I believe there were frogs' legs, kites and pithballs.


NT