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SA Supplements Vol 25 Issue 647supp

SA Supplements

Volume 25, Issue 647supp

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Features

Influence Machines

James Wimshurst

Sibley College Lectures.-1887-88

By the Cornell University Non-Resident Lecturers in Mechanical Engineering.III.—The Evolution of the Modern Mill *

C. J. H. Woodbury

The Mechanical Equivalent of Heat

De Volson Wood

Economy Trials of a Non-Condensing Steam Engine—Simple, Compound, and Triple

P. W. Willans

Improved Screw Propeller

Railway Bridge at Lachine

Improved Dobby

Sulphur Mines in Sicily

Philip Carroll

An Automatic Still

T. Maben

Cotton Seed Oil

Manufacture of Photographic Sensitive Plates

The Use of Ammonia as a Refrigerating Agent

T. B. Lightfoot

Elements of Architectural Design

H. H. Statham

The Meteorological Station on Mt. Santis

The Care of the Eyes

David Webster

Testing Indigo Dyes

Departments

Patents - May 26, 1888