Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 403
cheaply prepared as follows:Make a wooden frame A (Fig. 301), 10= square and 2.5<=n thick,joined by wooden or brass pins in grooves; on it wind 50 to GOturns (i lb.) insulated No. 16 wire in two layers, leaving Pspace in the center (in the figure this space is exaggerated in orderto show the…
Physics
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