Inside Out Library · Explore

Scientific American, Vol. 41, No. 14 (October 1879) (1879)

leaf 5

An illustration from Scientific American, Vol. 41, No. 14 (October 1879), 1879, leaf 5
ometer. The south These facts are all explained by conceiving the earth as a light of the knowledge which he himself discovered, forms pole of the needle at once swings around toward the iron rod. huge magnet, and if the earth be a magnet, it also follows This cannot be owing to the inclined… … point high up in the heavens. netic polarity: "All the way from Sometimes this point is higher. England to 10° north latitude, the Fig. 29.—curves SHOWN BY A MAGNET ACTING INDUCTIVELY ON A CYLINDER OF SOFT IRON © 1879 SCIENTIFIC AMERICAN, INC

Patents · Magnetic · Bushels · Grain · Needle · Scientific American · Pole · Provisional protection · Magnetic field · North Pole · Steam engine · Export edition · Small steam · American export · Patent office · Iron filings

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 41, No. 14 (October 1879)

More like this