Volume 71, Issue 1851supp
You are currently logged out. Please sign in to download the issue PDF.
Features
The Oldest Steam Threshinǵ Enǵine
Thirty Years of Service
An Air Propeller Testinǵ Apparatus
The Cocoanut Palm
Its Products and Their Uses
Radiant Enerǵy and Matter--III
A New System of Perforatinǵ Metal
Andrew Smith's Improvement
Romanized Typewriter Type
The Morane Monoplane
Scale Drawings of the Machine, that Won the Paris-Madrid Race