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Science Notes - January 6, 1906

Truffle Culture in France

By Jacques Boyer

The Undulatory Theory

Some Newly Discovered Properties of Crystals

The Manufacture of Rosin Oils

By E. Rabat*amp*eacute;

Watertone Sepia Printing Paper

By James Thomson

An Electric Chime

By George M. Hopkins

How many Gnats or Mosquitoes are there in a Given Area?

By Ronald Ross

Curves in Pattern-Work

An Electro-Thermostat

By Edward F. Chandler

Fertilizers and Electric Processes

The Telemobiloscope

Contemporary Electrical Science

Diamond Importations

Electrical Notes

Engineering Notes

Trade Notes and Formulæ


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