Features
Irish Linen.—II
Some Features of its Production
Shellac and the Lac Industry
A Mysterious Aid to Civilization
A Profile Puppet-Show.—III
How it can be Made and Used
The Manufacture of Glass
Scientific Developments in the Glass Industry
Commercial Motor Vessels
The Success of the Marine Internal Combustion Engine
The Liberation of Electrons during Chemical Reactions
Chains for Power Transmission
The Mallet Locomotive in Service
The Performance of a Wonderful Engine
The Chemistry of Body Secretions
Regulation of the Processes of the Body
Rubber and Fiber Combination
Measuring Instruments of Long Ago.—III
The Mechanical Application of Geometrical Principles
The Rodiyas: A Race of Outcasts
A Novel Radiometer
Tails and their Uses
Why Nature Created Caudal Appendages
The Planet Mercury
Recent Observations