Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 149
th respect to the clapper andto bind them firmly into position when tightened. The otherunique feature about this ringer is that adjustment is efifected bycarrying the pole-piece toward or from the armature rather thanmoving the armature with respect to the pole-piece. The pole-pieces are, in fact,… … FIG. 101—PARTS OF KELLOGG RINGER. adjustment. A hexagonal nut is carried on each screw in order tolock the screw in any desired position.
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