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SA Supplements Vol 20 Issue 501supp

SA Supplements

Volume 20, Issue 501supp

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Features

Charts for Great Circle Sailing

Chart for Great Circle Sailing

Example

How to use the Maps

How to use the Chart

A Quarter of the Southern Chart on the same Projection

How to form a Herbarium

A New Chlorimeter

An Agricultural Mitrailleuse

The Empress Bridge over the Sutlej

Improvements in Velocipedes

Range of Guns

Electrolytic Refining of Copper

Reins for Three Horses Abreast

The Dowson Gas Apparatus

Japanese Technical Apparatus

Essential Oils

Direct Photo-Typography and Photolithography by the Chrom-Albumen Process

A New Singer Sewing Machine Factory

Unveiling the Darwin Statue

Care and use of Microscope Lenses

William Wales

A New System of Telephonic Communication

Kendall's Electric Generator

On the Conversion of Heat into useful Work

William Anderson

Sanatory Precautions in the Dwelling

E. Dwight Kendall

The Coloring Matter of Flowers and Fruits