le, and that behind a north pole, is overturned by any cause. To obviate this is the intention until it arrives at the line, h a c, when the difference of po- of the invention we illustrate, and the object appears to be larity is greatest. This change sends another current through attained by means… … higher part of the wheel, w, and the stud pressing against under the microscope, appear remarkably regular. Mehu em- At A is shown the glass reservoir of the lamp, and at B a ploys indigo which has been previously washed, first with the higher part of the wheel, w', taken parallel with the ring of…
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