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SA Supplements Vol 38 Issue 980supp

SA Supplements

Volume 38, Issue 980supp

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Features

The Great Bluestone Industry

The House of Francis I. at Abbeville

Artificial Silk

On the Preparation of Carbon Blacks from Natural Gas in America

Godfrey L. Cabot

A Simple Method of Drawing

Note on the above Paper

Robert Irvine

The Lardarelo Boric Acid Works

Purification of Sugar-Continuous “First Saturation”

T Franc

Aluminum Boats

Boat with Propelling Turbine

A Typical Gold Mine

Arthur Lakes

A Wood Carving Machine

A New Electrolytic Method of Producing Aluminum

Cathodic Rays

Sketch of Heinrich Hertz

Helene Bonfort

New Researches on the Infra-Red Region of the Solar Spectrum

Langley

Photometry

W. De W. Abney

How a Lens does its Work: A Lesson in Elementary Optics

Clement J. Leaper

Implantation of Decalcified Teeth

Oscar Amoedo

Treatment of Domestic Animals Poisoned by Eating Wild Plants

Bird's Eye Maple

W. J. Beal

Lecture Apparatus for the Study of Conductivity

What is a Star Cluster ?

A. C. Ranyard

Patents!