Lieut. Shackleton, A Plea for Co-operation, A Reform in Meteorological Units

Engineering, Electrical, Science

Timing an Automobile Race

An Automatic Instrument That Takes the Place of a Stop-Watch

A Fine Long-Span Masonry Arch Bridge

By Our English Correspondent

Our Seacoast Defenses

Our Civil Day

Its Arrival on and Progress Around the Earth

Patent Department

The Energy of a Coiled Spring