A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 896
Fio. 805—Unipivot milliammeter. that the readings indicate milliamperes. In the form shown, thezero is at the middle of the scale, so that currents, in either direc-tion, up to 35 milliamperes can be measured. An excellent form of … Fig. 806.—Ammeter. suspension is given in Fig. 805, where the actual suspension is madeby a needle point resting upon an agate cup situated at the centreof a soft iron sphere. The coil in this case is circular instead of 872 MAGNETISM AND ELECTRICITY chap. rectangular. As there is only one point of…
Physics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
