Well, I'm sold... Boiled Linseed Oil and White Vinegar 1 to 1 mixture
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Side note. When I mixed up the 2 parts Oil to 1 part Vinegar mixture and did the Florence treadle I accidentally rubbed up against base of the machine and the bottom gold line just appeared (it WAS only visible under flash) So, I cleaned the rest of the machine.
I will try the 1:1 mix on a less special machine.
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