SA Supplements Vol 30 Issue 759supp

SA Supplements

Volume 30, Issue 759supp

You are currently logged out. Please sign in to download the issue PDF.

Features

Bustards at the Zoological Gardens

The Shapes of Leaves and Cotyledons

John Lubbock

Astronomy

Objects for the spectroscope.

Honeysuckles

Velocity of the Wind on the Eiffel Tower and at the Forth Bridge

Modern French Artillery

The Gun Factory of the Cail.

The Morgan Engineering Works

Sailing Ships

Great Tower for London

The Vyrnwy Aqueduct to Liverpool

The Asphalt Industry in France

A Simple Barker's Mill

Early Printing in America

A. De F.

The use of Gas for Cooking Purposes

Automatic Gas Retorts

A Sewing Machine Motor for Amateurs

C. D. Parkhurst

The Fixation of Nitrogen

Charles A. Fawsitt

Useful Engineering Books

Patents

Building Plans and Specifications