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SA Supplements Vol 11 Issue 278supp

SA Supplements

Volume 11, Issue 278supp

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Features

Recent Decisions Relating to Patents

Michela's Stenographic Reporting Machine

Photophone Experiments

Electrical Totalizing Counter

Gas and Electricity as Heating Agents

C. W. Siemens

Simple Holtz Electrical Machine, and Some Experiments in Static Electricity

M. Hopkins

Silver in Sedimentary Rocks

The Different Qualities of Iron Ores

Jacob Reese

The Cunard Steamship Servia

Fitzjohn Tower, Hampstead

The Work of Propeller Wheels

H. C. Pearsons

Plattsmouth Bridge

The Monte Penna Wire Ropeway

Improved Screw Propeller

Separation of Fats, Oils, Glycerine, etc.

Royle's Oleojector

Examination of Wine

V. Wartha

Oxidation of Building Materials

Ascent of Chimborazo and Cotopaxi

Edward Whymper

Jupiterian Observations

The Peasant Population of Servia