Flathead V8, setting the points without a fixture

Setting the points on flathead Ford or Mercury distributors with out a timing fixture.
Setting points with a Wasco fixture here • Setting the points of ...

[@jaswmclark]

This is how I was taught to set a ford distributor. However I was taught to use the card from a cigarette package (about .016") as less likely to scratch or contaminate the point surfaces than a metal feeler gauge.