Heredity
Considered Especially With Reference to Defective Conditions of Body and Mind
Volume 77, Issue 1983supp
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Features
Darwinism One Hundred Years Ago
Construction of a Fifty-Watt Transformer
Directions for the Amateur Electrician
Over-crowded Street Cars
Use of Ice and Other Means of Preserving Food in Homes
Most Refrigerators in Common Use are Grossly Uneconomical
Rate at Which Time of Trains Can Be Made Up, Electric Light and Eyesight
Economy in Ocean Transport
Hardening and Tempering Steel
A Review of the General Requirements and Characteristics of Quenching and Tempering Baths
On the Origin of Solar Electricity
What Evidence Have We of Charged Particles in the Sun?
Naval Expenditure of the Powers, The Modern Blast Furnace Burden
The British Admiralty Get Better Value for Cost of Construction Than Do Other Powers
The Pearling Industry
A Chapter in Economic Biology