Volume 47, Issue 6
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Features
More Innocent Buyers Needing Protection
A Labor Storm-Center
The Decline of Schooling
The Absorption of Metallic Oxides by Plants
Accuracy in Telegraphing
Why Beef is Dear
Detachable Umbrella and Parasol Covers
A New Sun Dial
Transmission of Motive Power by Rarefied Air
Progress of the East River Bridge
Henri Giffard
Rules in the Cutting of Uppers
By a Practical Workman