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SA Supplements Vol 11 Issue 280supp

SA Supplements

Volume 11, Issue 280supp

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Features

Recent Decisions Relating to Patents

The Sea-Side Zoological Laboratory at Naples

The Progress of the Fur Trade

New Method of Raising Sunken Vessels

W. Raydt

Michel Chasles

Preliminary Report upon the Improvement of the Navigation of the Missouri River

R. Suter

The Institution of Naval Architects

The Hydraulic Machinery Applied to Operating the Lock Gates of the Des Moines Rapids Canal

A New Trap

Laying and Repairing Submarine Telegraph Cables

Expansion Sleeve Coupling

Division of the Electric Light

Mercadier's Researches on the Photophone

The Dent Chronograph

Tele-Photography

Determination of Colors by Rotatory Disks

A. Rosenstiehl

Hydrophobia Five Years After Inoculation

On the Law of Avogadro and Ampere

The Purification and Softening of Water

Sea Sickness

Early Dentistry