Need a service manual for a Singer Treadle Sewing Machine Model 66-1?

Am looking for a service manual for a Singer Treadle Sewing Machine Model 66-1 am doing a restoration on one and need specific information on repairing it.
Tim Rathman Sr, March 2019


done
It could be useful to contact owners of sites specific to sewing machines. Here's one that may be fruitful:

https://www.singersewinginfo.co.uk/66/

klnl, March 2019
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