Volume 71, Issue 1849supp
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Features
The Wastes of a Blast Furnace
How They are Utilized
Determininǵ Aeroplane Altitudes
How a Machine's Height is Measured
Suǵar Refininǵ
The Processes of Manufacture
A Graphical Solution of the Quadratic Equation
How Exporters Should PacK
Suggestions from United States Consuls and Foreign Business Men
Radiant Enerǵy and Matter—I
Carbureters and Vaporizers
How They Should be Designed
The Lost Arts of Chemistry
The Origin and Reason for Some Widespread Beliefs
Automatically Drawn Curves
Instruments that Represent Varying Conditions