Features
Causes and Correction of Water and Gas Main Leakage
Aluminium in Motor Carriage Building
A Convenient Dark Room
The Highest Aim of the Physicist
The Artificial Hatching of Salmon in Norway
The Development of Iron Manufacture in the United States in the past Seventy-Five Years
Dalou's “Triumph of the Republic”
Ankylostomiasis in Coal Mines
The Rapid Seasoning of Wood through Electricity
The Andrée Buoy
Trade Suggestions from United States Consuls
Selected Formulæ
Trade Notes and Receipts
Miscellaneous Notes
New Method of Designing Fabrics
Variation and some Phenomena Connected with Reproduction and Sex
Acquired Characters
