The Panama Canal as an Investment, Relative Repairs on Navy-Built and Contract-Built Ships and more

Engineering, Electricity, Science

A New Type of Torpedo Boat

A Double-Hulled Boat with its Engines Entirely Below the Waterline

Trackless Electric Trolley-Drawn Sleigh in Norway

The Earliest Story of the Deluge

Prof. Hilprecht's Remarkable Discovery

Novel Changeable Photographs

Mother-of-Pearl Imitations

Notes on Overhauling a Boat

Properties of Polonium

The Revolving Safe, The Action of Radium Emanation Upon the Element of the Carbon Group