No worry, Jim.
Actually, both cramton as petty has been members here at ionizationx
They are great researchers.
The Danforth schematic was clear for me years ago, except the idea on how to use the bemf spike over tge cell. Dont worry on everything before the last transistor.
Thats easely build with new techno. A 2n3055 will do fine as last stage transistor.
