Harper's boating book for boys; a guide to motor boating, sailing, canoeing and rowing (1912)
Davis, Charles G. (Charles Gerard), 1870-1959, ed · New York, London, Harper & Brothers · leaf 249
of which is the timer. This is a wheelor finger revolving in the rubber cup-like box (W). Atthe proper time, in relation to the stroke of the piston, thistimer comes in contact with a metal point that sticksthrough this rubber box. To this point on the outside theelectric wire is made fast so that… … Fig. 2 The Coil X is the coil which magnifies the power of the electricityfrom a low pressure to a high pressure or high tension, as it istechnically called. To hold and carry this high tensioncurrent of electricity from the coil to the spark-plug (Z), alarger wire is used (d), with more insulation…
Boats and boating
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