nds are removed from his connected by a crosspiece, C, of aluminum or other metal. body, he will remain perfectly rigid for a minute or two. It The maximum of magnetization starts from the N. and 8. is said that a black line on a white surface will produce the poles, and decreases to the neutral… … This compass is said to be much more sensitive than the the attention upon some bright object. It is by some con- by the wedge, which is again acted upon equally and uni- needle, to be less affected by rolling of the ship, and to be sidered a partial paralyzation of the brain. The same can be…
Internet Archive · Public domain (published before 1931). Free to use for anything.