Volume 3, Issue 67supp
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Features
Electrical Car Signal
The Yield of Flour Per Horse-Power
On the Eyes of Worms
Spider Lines
The Portuguese Man-of-War
The Paris Exhibition of 1878
Paris Universal Exhibition of 1878
REGULATIONS FOB EXHIBITORS
Microscopic Insects in the Skin
Large versus small Car Wheels
Appearance of Snow Fleas
Physical Society, London
Pneumatic Ore Stamps
Detroit Water Works
High Pressure Engines
Mill for Softening Middlings
Pinfold's Brickmaking Machinery
New Pumping Engine
The Age of the Rocky Mountains in Colorado
New Rotary Filter
Theory of the Bunsen Lamp
Pipes for Gas and other Purposes
[Journal Of Gas Lighting.]