Those parts were made of Zamak (mostly zinc) and "blacked" with whatever industrial process is used for that material. Probably flash-plated with iron and then blued or oxided.
A respectable refinish can be obtained with light dust-coats of black semi-gloss epoxy paint.
Earl's is "the go-to place" for the truly desperate.
M
A respectable refinish can be obtained with light dust-coats of black semi-gloss epoxy paint.
Earl's is "the go-to place" for the truly desperate.
M