The Modern Gold Ship
How it has Invaded the Land of California.

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How it has Invaded the Land of California.
A Substitute for the American Horse-Drawn Type by the Scientific American's English Correspondent.
How it Can be Made at Home
Some Practical Suggestions on a Misunderstood Subject
The Form of Solders
The Building of a $7,000,000 Line Through a Waterless Land
An Investigation With a Practical Bearing on Public Health
Poison as a Means of Defense
The Effect of Nitrogen, Phosphoric Acid, and Potash.