Allen, Charles Ricketson, 1862- [from old catalog] · New York, H. Holt and company · leaf 239
en the centres of the holes, and re-move the insulation from each end for about an inch. Twist the * See page 133, Stewart and Gee, vol. 2. f See page 230. 226 APPENDIX C. centre of one piece around the centre of the other for a shortdistance and bend the ends into the general form of an X, as in-… … substitute may be used ; the latter is just as good, as the instru-ment is always inserted in the circuit between others. When
Physics
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