Features
Corrosion in Boilers
A New Loom Harness
Boiler Inspection Rules of the English Board of Trade
Rules of the English Board of Trade
Hawkins's Worm Gearing
The Frue Vanning Ore Concentrator
New Lantern Slide
Holman's Life Slide for the Microscope
The Newtonian Dissolving Lantern
Metals Accompanying Iron
Lessons in Mechanical Drawing
Second Series.-No. XVII
Reproduction of Frescoes
By Count Ludovico De Courten
Diamonds and other Precious Stones
Designs for Jewelry
Lectures on Paralysis and Convulsions as Effects of Organic Disease of the Brain
Delivered at the Bellevue Hospital Medical College, N. Y.,1877