So, Had some time recently and tackled the misfitting back. For some reason the stock Seneca back was grafted onto a Korona or Agfa back. Overall it was about 1/16″ too long in each axis:
Generated from my Apple iPhone using tools.rackonly.com
Generated from my Apple iPhone using tools.rackonly.com
The solution? Pretty simple – trim the edges back a bit. Obviously easiest done on a tablesaw, but mine’s buried under flotsam right now, so I attacked with the Stanley 65:
Generated from my Apple iPhone using tools.rackonly.com
Generated from my Apple iPhone using tools.rackonly.com
The result?
Generated from my Apple iPhone using tools.rackonly.com
Not bad for about 5 minute’s work. Next is setting some locking pins and filling all the random holes, replace the holder stop, and refinish. And a new ground glass. But, Progress!