05-02-2016, 02:15 AM
What are you using to energize (polarize) the coil?
Does the end of a non magnetized screwdriver stick, at all, to the shadograph magnet?
I can tell you one thing. The bulb holder in its current position is going to cast a shadow way off center. The filament must be centered on the hole.
Does the end of a non magnetized screwdriver stick, at all, to the shadograph magnet?
I can tell you one thing. The bulb holder in its current position is going to cast a shadow way off center. The filament must be centered on the hole.