The outlines of physics: an elementary text-book (1897)
Nichols, E. L. (Edward Leamington), 1854-1937 · New York, The Macmillan Company; London, Macmillan & Co., Ltd. · leaf 450
wire wUl depend upon the uses to which the galvanometer is to be put. For the experimentsdescribed in this book rather coarse wire should be selected, namely.No. 20 to 24. To wind the coils, take a large empty spool, of the kind used for thecoarser varieties of linen thread. From some thick sheet… … 436 THE OUTLINES OF PHYSICS through the hole in the spool. This rod should be about 10 cm. long. Saw the spool in two transversely at a distance of 3 cm. from one end. Insert the brass rod through the hole in that part of the spool which has the longestshank, as shown in Fig. 404, and havingdrawn…
Physics
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