Volume 13, Issue 335supp
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Features
M. Pasteur
The Infinities Around Us
The Future of Knowledge
Air-Refrigerating Machinery
Sea-Going Tonnage of the World
The Naval and Submarine Exhibition, London
Economy of the Windmill as a Prime Mover *
Professor W. E. Ayrton, F.R.S.
Professors Ayrton and Perry's Electric Railway
Professor John Perry
Country Road Making
Fusible Safety-Plug for Boilers
On Cracks and Annealing of Steel
Ripon Cathedral
A Thermograph *
A New Apparatus for Making a Continuous Graphical Record of the Variations of Temperature
Porcelain: Its History, Manufacture, and Decoration
Russet Leather
Report on the Manufacture of Russet Leather and its Adaptability for the Military Service