SA Supplements

February 1881

Volume 11, Issue 266supp

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Features

A Successful Aqueduct of Lead Pipe

R. Fletcher

Remarkable Boiler Explosions

Hydraulic Riveter for Ships' Keels

Dr. Siemens' Gas and Coal Fire Grate

Hydraulic Machine Tools for Ship-Building

Machine for Making Velvet Sheepskins

Progress of the Mining Operations at Flood Rock, Hell Gate

The Polytechnic Association

Steel Paint

Physics without Apparatus

Silk Dyeing

M. De Vinant

Easy Test for Arsenic in Fabrics

Liquefaction of Ozone

P. Hautefeuille, J. Chappuis

On the History of the Artificial Preparation of Indigo

Carl Schorlemmer

Cyprien M. Tessie Du Motay

Auguste J. Rossi

Heat of Formation of Dimethyl

M. Berthelot

Action of Chlorine and of Hydrochloric Acid upon Lead Chloride

A. Ditte

Thermic Equilibrium of Chemical Actions

Donato Tommasi

Enrichment of Plumbiferous Earth by means of a Stream of Air

M. Delesse

Inflammation Temperatures of Gaseous Mixtures

M. M. Mallard, Le Chatellier

Transformation of Oxygen

P. Hautefeuille, J. Chappuis

Picric Acid in Beer

H. Fleck

Malleable Cast Iron

M. L. Forguignon

Note on Siemens-Martin Steel

Sergius Kern

The Actual Figure of the Earth

W. Rachel

The Nebula in Orion

Henry Draper

“Telling the Time ”

Waldo