The Project Gutenberg EBook of Scientific American Supplement, No. 481,
March 21, 1885, by Various

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Title: Scientific American Supplement, No. 481, March 21, 1885

Author: Various

Release Date: March 28, 2004 [EBook #11735]

Language: English

Character set encoding: ASCII

*** START OF THIS PROJECT GUTENBERG EBOOK SCIENTIFIC AMERICAN 481 ***

Produced by Don Kretz, Juliet Sutherland, Charles Franks and the DP Team

[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 481

NEW YORK, MARCH 21, 1885

Scientific American Supplement. Vol. XIX, No. 481.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

* * * * *

TABLE OF CONTENTS.

I. ENGINEERING AND MECHANICS.--The Righi Railroad.--With
3 engravings.

The Chinese Pump.--1 figure.

The Water Clock.--3 figures.

New Self-propelling and Steering Torpedoes.

Dobson and Barbour's Improvements in Heilmann's Combers.--1 figure.

Machine for Polishing Boots and Shoes.

II. TECHNOLOGY.--The Use of Gas in the Workshop.--By T.
FLETCHER.--Placing of lights.--Best burners.--Light lost by
shades.--Use of the blowpipe.--Gas furnaces.--Gas engines.

The Gas Meter.--3 figures.

The Municipal School for Instruction in Watchmaking at
Geneva.--1 engraving.

III. ELECTRICITY, ETC.--Personal Safety with the Electric
Currents.

A Visit to Canada and the United States; or, Electricity in
America in 1884.--By W.H. PREECE.

IV. ARCHITECTURE.--The House of a Thousand Terrors, Rotterdam.--With
engraving.

V. GEOLOGY.--On the Origin and Structure of Coal,--With full page
of illustrations.

VI. POLITICAL ECONOMY.--Labor and Wages in America.--By D.
PIDGEON.--Who and what are the operatives.--Native labor.--Alien
employes.--Housing of labor.--Sobriety.--Pauperism.--Artisans'
homes.--Interest of employer in the condition of his
employes.--Wages in Europe and America.--Expenditures of
workingmen.--Free trade and protection.

VII. M