The Resurrection of Babylon
Extensive Work that has so Far Proved Disappointing
Features
A Galvanic Cell that Reverses its Polarity when Illuminated
Lime Burning
Conditions Necessary for Economical Production
The Construction of a Multiple Tuner
Complete Working Drawings and Specifications for the Amateur
The Medicine of the Old Testament—I
Primitive Remedies, Practice and Superstitions of Acient Palestine
Geology in Relation to the Exact Sciences
Recent Progress in Astrophysics—III
Many Important Discoveries That Add to Our Knowledge of the Heavenly Bodies
Acquired Radio-Activity
The Larger Ions in the Air
Aid to Astronomical Research
The uniflow Steam Engine
A Modern Construction That Promotes Economy
The Safety of the Aeroplane
Suggestions in Mechanisms
Some Curious Geometric Properties of Articulated Levers
Continuous Drop Irrigation from a Thermos Bottle
Apple Syrup and Concentrated Cider
Methods for Economic Utilization of Unmarketable Apples
