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SA Supplements Vol 39 Issue 1006supp

SA Supplements

Volume 39, Issue 1006supp

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Features

American Steam Snow Plows in Germany

Experiments in Navigation with a Compressed Gas Motor

Multiple Drilling Machine for Wheels

A Portable Rowboat

Timber Preserving Methods and Appliances

W. G. Curtis

New Metric Standards

Self-Regulating Gas Generator

W. W. Andrews

Vacuum Evaporating Apparatus

Extraction Apparatus for Liquids

Notes on Silvering Solutions and Silvering

Atmospheric Electricity

Argon

Explosion Due to Sodium, and the St. Pancras Explosions

Gustave Michel's “Flowers of Spring.”

An Interesting Case of Tongue Tie

G. Hudson Makuen

Brain Surgery for Idiots

The Inquisition in Mexico

Population of the Earth, in Diagram

Peking

Thomas Child

Lichens

New Animals from Madagascar

R. Lydekker

The Fundamental Difference between Plants and Animals

Patents!