SA Supplements Vol 2 Issue 48supp

SA Supplements

Volume 2, Issue 48supp

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Features

The International Exhibition of 1876

Moulding and Founding.—The Exhibit of James L. Jackson&Co., in Machinery Hall

The International Exposition of 1876

The Burleigh Rock Drill

The use of the Magnetic Needle in Searching for Magnetic Iron Ore

The East River Suspension Bridge

Cable Making

The Western Union Telegraph Company

(From the Annual Report of the President, William Orton, for the Fiscal Year Ended June 30, 1876.)

Locomotive Traction

Phosphor-Bronze

Natural Gas Wells

Combined Spring Motors

Charles J. Schumacher

Hydraulic Mining at Dutch Flat

Copper Deposits of America

Water Railways

The Fastest Steam Yacht in the World

Trials of the 81-Ton Gun

Compass Correction in Iron Ships

William Thomson

Oils and Fat Destructive to Iron

How the 81-Ton Gun was Made

Manufacture of Artificial Butter

Henry A. Mott

Lessons in Mechanical Drawing

C. W. MacCord

A New Voltaic Cell

British Association

Centroids

Telephony

Audible Speech by Telegraph

Photographs upon Enamel and Porcelain

Emulsion Photo Plates

Henry J. Newton

How to use Photographic Backgrounds

L. W. Seavey