s done, has been patented ral question of the magnetism of an iron ship and the by magnetic force on these different kinds of iron. Soft by Mr. Timothy Whalen, and is represented in the ac- errors of the compass which it produces, but will con- companying illustration, the small figures showing… … WHALEN'S WAGON BAILBOAD. netized hard steel will not become magnetized once obvious. For further particulars in relation to the inven- unless acted on by a powerful magnetic force ; which is experienced when the vessel heels over. I will tion address Mr. John L. Whalen, 1 and 5 Whalen but when it…
Iron · Gas · Patents · Magnetic · Apparatus · Patented · Scientific American · Ship heels · Herr ritter · Magnetic coil · North point · Carbonic acid · Floor plans · Electric light · Soft iron · Heeling error
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