SA Supplements

December 1876

Volume 2, Issue 51supp

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Features

Roots' Force-Blast Blowers at the Centennial

The International Exhibition of 1876

Blowing Engine.—Weimer Machine Works

The Ball Puzzle

Strength of Cast-Iron Fitting-Blocks for Boilers

New Boat-Lowering Apparatus

J. Pinker

Improvement in Subaqueous Tunnels

John C. Trautwine

The Jetties at South Pass

Improved Safety-Valve

Raising of Sunken Vessels

The Slide Valve

Adams' Safety-Valves

The New Ironclad Corvette “Nelson”

Railroad Embezzlements

Five Thousand Dollars Reward

Deterioration of Linen Goods

Novel Water Elevator

The Cost of Mining and Smelting

Cornell Natural History Society

A Proposed New Coinage Alloy

Fire-Proof Cities

Conducting Surface for Electrotypes

The Engines of the “Britannic”

Electrical Brake

Manganese Bronze

Double Telegraph-Key

James O. Byrns

Improved Barometers

Edmund C. Wagner

Separation of Petroleum Products

James Cole

New Theory of Latent Heat

M. Le General Fave

Extraction of Potash from Wool in the Grease

An Improved Aspirator

R. H. Richards

The Movement of the Radiometer

Photo Burnishing

Elastic Dammar Varnish for Photographs, Etc.

Gelatine Emulsion Plates

H. J. Palmer

Combination Negatives

Dextrine

New Photo Cement

M. Straub

Lessons in Mechanical Drawing

C. W. MacCord

The Health of Mill Hands

What is the Meaning of Human Personality

Henry J. Slack

Ozone

Tranchina's Method of Embalming

Hypodermic injections of Carbolic acid in Neuralgias

Action of Lactic Acid on the Bones

Physical Properties of Gallium

M. Lecoq De Boisbaudran

The Treatment of Diphtheria

J. H. Nowlin