Steve Stephens Posted March 28, 2023 Posted March 28, 2023 (edited) I use a very light coat of vaseline to lubricate commutators on my C&C and Edison bipolar fans with bronze brushes. Supposedly carbon brushes can be so lubricated but I don't recall if I had tried vaseline on carbon brushes. From Mines and Minerals, Dec, 1902, p.233 Edited March 28, 2023 by Steve Stephens add more info 1 Quote
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