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Explorations in Tibet

The Service of Electricity in Climbing the Alps

By Frank C. Perkins

How the Expensive Fur of the Sea Otter is Secured

The International Study of the Sea

Forty-Eight-Inch Stroke Slotting Machine

To find the Capacity and Horse Power of Pumps

Farsons Turbines in Steamship Service

Tangential Water-Wheel Efficiencies

The Eisemann and Bosch Systems of Electric Ignition

New Subterranean Contact for Electric Tramways

Safeguards against Lightning

By Alfred Hands

Determining Neutralization Points by Conductivity Measurements

The Decline of Bronze

Studies of Blood Pressure

Practical Method of Counterfeiting Antique Silver

Wild Rice: Its uses and Propagation

By Edgar Brown and Carl S. Scofield

Spanish Olive Oil

Functions of Technical Science in Education for Business and the Professions

By Robert H. Thurston

The Relation of Science to Common Life

By J. M. Macfarlane

Self-Electrification of Radium

The Demeny Body Contour-Indicator

Synthetic Alcohol

A Lecture-Room Thermometer

Electrical Notes

Engineering Notes

Recent Discoveries at Silchester

Trade Suggestions from United States Consuls

Trade Notes and Recipes


  • Departments

    Patents - October 31, 1903

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