Poole, Cecil Percy, 1863- · New York : McGraw · leaf 128
IG. 146 In putting the commutator together, it will be found advisable to borea hole 4^ ins. in diameter in a block of wood ij ins. thick, and assemblethe segments, together with the mica insulating strips, loosely within thishole. Then set the segments up tight by radial pressure from the… … FlG I47 at the other end; these rings each having eight J-in. screws extendingthrough them radially at equal intervals around the circumference, thescrews pressing against eight segments of cast iron, which in turn press thecommutator segments together. The point of each screw should be beddedin a…
Electric generators -- Design and construction · Electric motors -- Design and construction
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