Volume 99, Issue 5
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Features
A New Process for the Manufacture of Copper Wire
Relation of the Gas Producer to Low-Grade Fuels
Good Work in the Rainy Season at Panama
More Daylight for Recreation
Immortality of Micro-Organisms
Some Home-Made Weather Instruments
Irrigation of the Yuma Valley
Erecting the Construction Footways of the Manhattan Bridge
The Work of a Nebraska Cyclone
Elevator for Raising Ore Concentrates
Patent Department
Improved Sluice Box