ltmeter, composed of six fixed metal vanes,two primary and four secondary, and a movable vane ofsheet aluminum carrying a pointer. The movable vaneand pointer are mounted on a shaft and held centrally be-tween the fixed secondary vanes by two sapphire jewel INSTRUMENTS. 113 bearings, the whole…
Electronics · Electricity
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
