Volume 29, Issue 4
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Features
Friction of Water in Pipes
Publishers' Notice
The Zodiacal Light
Scientific and Practical Information
A New Substitute for Rubber
The Greatest Gas Well in the World
To Europe by Balloon
Improved Washing Machine
The Gardner Governor
The Tunnicliffe Fire Alarm
The Isabella Tiger Moth
From the Fourth Annual Report of Charles V. Elley, State Entomologist of Missouri.]