Volume 2, Issue 40supp
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Features
Locomotion by Compressed air at the Exhibition
The Paris Exhibition of 1878
The Post-Office at the Centennial Grounds
Photographs at the Centennial Exhibition
Notes from the Exhibition
The Iron Exhibit
The Legal Encouragement of Tree-Planting in New-York
Ferris Miles' Steam Hammer at the Exhibition
Electro Plating applied to Technical and Maritime Purposes
Semi-Dry Brick-Making Machines
The Explosion on Board H. M. S. Thunderer
The Hudson River Bridge
To Re-Varnish Negatives
Improved Galvanic Battery
Sheffield Steel
Catalan Steel Bloomery
The doctrine of Evolution
Improvement in Condensers
Improved Fish-Hatching Apparatus
That Remarkable Railway Accident
The Northern of France Railway Teminus at Paris
Twitch Grass
The Redwood
How to Raise Turkeys
The Greenhouse and Grapery
Best Varieties of Grapes