SA Supplements Vol 10 Issue 250supp

SA Supplements

Volume 10, Issue 250supp

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Features

The De Bay Propeller

Improved Mechanical Stoker

Decomposition of Steam—A Lecture Experiment

Henry Leffmann

Utility of Solar Boilers

The Fire Engineer, the Architect, and the Underwriter

Edward Atkinson

On the Ventilation of Public Buildings

James Hogg

Commercial Synthesis of Ammonia

Observations on Piccard's Process and Apparatus for the Economy of Heat in Evaporation

Ammonia in Vegetables

Apparatus for the Analysis of Gas

Physics without Apparatus

The Present Condition and the Future Task of Modern Paleontology

Carl Vogt

Weber's Dynamometer for the Measuring of Currents of Great Intensity

Experiment with Glass Tubes

The Spanish Mackerel and its Artificial Propagation

The Transparent Fish

Boneless Cod

How they are Cured and Prepared for Market

The Biological and Microscopical Section of the Academy of Natural Sciences, Philadelphia

Hemlock in the Treatment of Cancer

A New Isomeric Modification of Aluminum Hydroxide

D. Tommasi

How to Feed the Sick

The Blake Transmitter

The Epidemic among the St. Gothard Miners

Experiments in Abstinence from Fluids

E. T. Nelson

About the Transmittibility of Tuberculosis by Milk

The Apparent Distance of the Moon

Photo Enlargements on Canvas

Cubic Alum

Mineral Leather

Departments

Patents