New and Original Theories of the Great Physical Forces

In knowledge, that man only is to be contemned and despised who is not in a state of transition.
—nor is there anything more adverse to accuracy than fixity of opinion. —Faraday.
Science must grow. Its development is as necessary, and as irresistible as the motion of the tides, or the flowing of the Gulf Stream. —Tyndall.
The cry of science is still onward, and its goal of yesterday will ever be its starting-point to-morrow. —Dawson.
⁂ May be procured through all booksellers. It will be sent by mail, postage free , on receipt of price, $1.00 cloth, 50 cts. paper. Liberal discount to the trade.
Per C. K. Abel & Son, Booksellers,
Dunkirk, N. Y.

Every time Serves for the matter then born in it.
Shakspere.