SA Supplements

What is the Best Material for Street Railroad Rails?

The International Bridge over the River Mino

A Torpedo Boat at Paris

New Bridge, Kennet River

The Nordenfelt Machine Guns

Waste in Cotton Mills

Canned Food

On the Employment of Gas for Cooking

On a Variation in the Size of an Image on the Retina according to the Distance of the Background on which it is Seen

Lactic Acid in the Stomach

Rousdon Observatory, Devon

Mind and Motion

St. Paul's Vicarage, Forest Hill

The “Bassano-Slater” Improved Telephone

The Hydrodynamic Researches of Professor Bjerknes

On the Conversion of Heat into useful Work

The Eroding Power of Ice

North American Ferns

Anchomanes Dubius

Life at the Bottom of the Sea

Patents - July 25, 1885