In Reply to: Re: Zane's jig for adjusting the lift on an 8n posted by Kirk-NJ on January 09, 2019 at 04:42:37:
Just ran across my original file!
The article I found was from the 9N-2N-8N-NAA Newsletter Volume 18 No. 4 Autumn 2003
It contains some dimensions for the elusive Adjustable Stop. 3 inches long with a 1.7" slot for a 5/16" Carriage bolt. No other dimensions.