[Amps] reference direction of current flow in screen grids

[Catherine James]

On Wed, 10/26/16, Gene May <gene-may at hotmail.com> wrote:
>  Concur with Bill W6WRT re "positive vs negative" convention in describing current.  The convention we use now is
>  left over from at least a hundred years ago when a scientist guessed wrong about the polarity of the electron. 

More than a hundred years ago.  The "scientist [who] guessed wrong" about polarity was Ben Franklin!

73,
Cathy