Will the old style 10SI delco alternator charge in both directions of rotation?

I built this alternator in 1985 and adapted it to my 1950 Ford tractor when I converted the tractor from 6 to 12 volts. It just failed recently. Originally, 29 years ago, I seem to recall having a problem with the rotation as far as charging is concerned. Whatever problem I had, if any, was fixed b/c it has been charging since then. Looking at the drive pulley, it rotates clockwise. Is this an issue I will have to deal with? Or will it charge in both directions?

Generates a charger either way. Even seen one of the those flashlight that one pump back and forth to generate electricity. Or hand crank one. You can crank it either way. One problem maybe the fan/fin will rotation incorrectly and not cool the alternator.

WHO THE HECK WOULD KNOW THE ANSWER TO THIS Q?! I sure don't.

Yes it will charge in either direction.