The Great Round World and What Is Going On In It, Vol. 1, No. 40, August 12, 1897 A Weekly Magazine for Boys and Girls

Nikola Tesla, the great electrician, says, however, that this trouble only arises from want of knowledge as to the proper way to handle the rays. If they are held at a certain d...

Has improved rotary shutter and set of three stops for lens. The slides for changing stops and for time exposures are alongside of the exposure lever and always show by their po...

In making the selection of important events, remember that wars and political events are not necessarily the most important. If, for instance, the air-ship had turned out to be...