A text-book of physics, largely experimental. On the Harvard college "Descriptive list of elementary physical experiments." (1891)
Hall, Edwin Herbert, 1855-1938, Bergen, Joseph Y. (Joseph Young), 1851-1917 · New York, H. Holt and Company · leaf 573
wire. No. 103c. A similar spool with 2000 cm. ofNo. 30 covered copper wire.All of the G.-s. wires of Nos. 103a and 103b should be of the samequality, all of the No. 30 being, if possible, from the same piece. Every spool should be soaked in melted paraffin before the wireis laid on it. Every wire… … Fig. 303. APPENDIX I. 547 that its diameter can be measured b}r means of screw calipers. Forthis purpose a bit may be left projecting beyond the point of solder-ing to the heavy copper terminals. No. 104. A pair of double binding-posts for use with, the spoolsof No. 103. No. 105. A pair of triple…
Physics
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