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Scientific American Magazine Vol 48 Issue 7

Scientific American Magazine

Volume 48, Issue 7

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Features

Vienna International Electric Exhibition

A Four-Mile Deposit of Iron Ore

The Problem of the Telephone

What is an Artist?

The Past Year in the Patent Office

The Star of Bethlehem

Improved Sponge Filters

Electric Motors with Inductors Containing no Iron

An Ammonia Still for Small Gas Works

Terra Cotta Lumber

Flexible Self-Gauging Faucet

The New Otto One-Horse Power Silent Gas Engine

The Automaton Chess Player

A Glass Globe from which Three Hundred Watch Crystals were Cut

Mechanical Inventions

Agricultural Inventions

Miscellaneous Inventions

Engineering Inventions

Departments

Correspondence

Recent Inventions

Business and Personal

Notes and Queries

Index of Inventions