SA Supplements Vol 31 Issue 792supp

SA Supplements

Volume 31, Issue 792supp

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Features

Hotchkiss Machine Revolving Cannon

Gaseous Illuminants

Vivan B. Lewes

Condensation of Carbon Particles in Smoke

Robert Irvine

The Power of Water, or Hydraulics Simplified

G. D. Hiscox

Origin of the Steam Engine and of the Utilization of Solar Heat

The Miramichi Fire of 1825

The London, Ohio, Water Supply System

Electricity in Transitu; from Plenum to Vacuum

William Crookes

William Crookes, F.R.S.

Simple Device for Connecting up Batteries

Phenomena of Alternating Currents of Very High Frequency

Nikola Tesla

Urquharts Battery

The Edison-Lalande Battery

Powerful Plunge Battery

Gassner's Dry Battery

The Giant Ant—Eater

Lalande-Chaperon Cell

Bisulphate of Mercury Cell

Hussey Bluestone Battery

Hydrastis Vs. Phthisis

A Judsons Palmer

Departments

Patents- March 7, 1891