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Scientific American, Vol. 62, No. 22 (1890) (1890)
leaf 10
is used as flux, A tallow candle is commonly employed for this purpose. The In honor of Seth Boyden and in memory of his dis- joint to be soldered is rubbed with the end of the candle, and the solder tinguished services in promoting mechanical industries is applied. Of course the iron must he well… … Boyden made no attempt to from one end of the Atlantic cable to the other, © 1890 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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