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SA Supplements Vol 17 Issue 443supp

SA Supplements

Volume 17, Issue 443supp

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Features

Puerta Del Sol, Madrid

What Causes Paint to Blister and Peel? how to Prevent it

How to Prevent it

Concrete Buildings for Farms

Olive Oil

Beeswax and its Adulterations

The School of Physics and Chemistry of Paris

Phenol in the Stem, Leaves, and Cones of Pinus Sylvestris

A Discovery Bearing on the Flora of the Carboniferous Epoch and the Formation of Petroleum

A. B. Griffiths

Dust-Free Spaces

The Electric Marigraph

Telephony and Telegraphy on the Same Wires Simultaneously

Electricity Applied to Horse-Shoeing

Delune & Co.'s System of Laying underground Cables

Some Relations of Heat to Voltaic and Thermo-Electric Action of Metals in Electrolytes

G. Gore

Woodward's Diffusion Motor

Esteve's Automatic Pile

A Gas Radiator and Heater

Air Refrigerating Machine

Concrete Water Pipes

The Problem of Flight, and the Flying Machine

The Sellers Standard System of Screw Threads, Nuts, and Bolt Heads

An English Railway Ferry Boat

Lunar Heat

C. A. Young

The Longhaired Pointer Mylord

Patents

Keffel's Germinating Apparatus

Apple Tree Borers

Millet