Home-farm power and lighting, a book of helpful instruction on the installation (1920)
Cincinnati, American automobile digest · leaf 65
arywinding or circuit and to jump the gap at thespark plug. The timer does not require anyattention aside from an occasional cleaning andadjustment of contact points. The normal gapbetween these varies from .015 to .025 of aninch for the different systems, these figures beingequivalent to three to… … to Internal Combustion Engine. 53 times forming a slight roughness and change ofcolor. When they do require dressing by reasonof the accumulation of dirt, they may be gentlyfiled with a special magneto file, or a fine mani-cure file, by placing the file between the pointsand drawing it gently back…
Electricity in agriculture · Electric lighting · Internal combustion engines
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
