Features
Definition of Head of Water
Snail Gardens
A Curious French Industry
Some New Bacteriological Discoveries
Inheritance of Acquired Characters in Bacteria
Can Animals Predict Earthquakes?
The form and Dimensions of the Earth
Measuring our Planet's Girth
The Yeastcell and its Lessons
The Phenomena of Fermentation
Oxhydric Process of Cutting Metals.—I
Torches and Machines that Cut Steel
International Steam Ferries
A Visit to an Anthracite Coal Mine
Correspondence
A Novel Letter-Copying Machine
The Solution of the Problem of Moist Copies
The Marine Gas Engine
Canning and Preserving Fruit.—II
Hints for the Housewife