Scientific American, Volume 22, No. 1, January 1, 1870 By: Various
First Page: [Illustration] SCIENTIFIC AMERICAN A WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTURES. NEW YORK, JANUARY 1, 1870. Vol. XXII. No. 1. [NEW SERIES.] $3 per Annum [IN ADVANCE.] Contents: (Illustrated articles are marked with an asterisk.) Engines of the Spanish Gunboats The Torpedo Problem Sugar Making in Louisiana Sticking, or Court Plaster An Improved Hoisting Pulley Wanted Ferdinand De Lesseps Chief Promoter of the Suez Canal An Ingenious Vent Peg A New English Patent Pulley Block Plants in Sleeping Booms Improved Treadle Motion Improved Method of Catching Curculios Remains of a Megatherium in Ohio Artificial Ivory American and English Kailway Practice Contrasted Boiler Covering Attachment of Saws to Swing Frames Patent Decision Inventions Patented in England by Americans Russ Improved Wood Molding Machine A Lost Civilisation Girards "Palier Glissant" A Happv New Year The Suez Canal not yet a Failure Tubular Boilers and Boiler Explosions Professor Fiske's Lecture at Harvard The Brighter Side The American Institute Prizes Awarded to Steam Engines A Protest against the Canadian Patent Law American Railway Management Scientific Lecture before the American Institute The Battle Fields of Sceence How French Bank Notes are Made What the Newspapers Say Chinese Method of Preserving Eggs Steam Boiler Explosion Editorial Summary The Steven Breech Loading Rifle A Novel Improved Hand Vise The Mound Builders of Colorado The Woven Wire Mattress Flouring Mill Hazards Fire Proof Building The Decline of American Shipping Aerial Navigation A Suggestion Putty Floors of Jewelers Shops and otherwise Western Demand for Agricultural Implements Economical Steam Engine Friction and Percussion Oiling a Preservative of Brownstone Interesting Correspondence from China Commumcation Between Deaf and Blind Mutes Cheap Cotton Press Wanted A Singular Freak of a Magnet Preservation of Iron The Bananas and Plantains of the Tropics Putting Up Stoves The Magic Lantern The Largest well in the World Capacity 1,000,000 gallons of water per Day Paper for Building Improved Muzzle Pivoting Gun Stock Feeding by Clock Work Milk and What Comes of It Improved Hay Elevator Improvement in Lamp Wicks Great Transformation Answers to Correspondents Recent American and Foreign Patents New Books and Publications List of Patents Engines of the Spanish Gunboats. In our description of these boats in No. 25, Vol. XXI., special mention was made of the compactness of the engines. It has frequently been urged as an objection against the twin screw system that the double set of engines, four steam cylinders with duplicates of all the working parts called for on this system, render the whole too complicated and heavy for small vessels, preventing, at the same time, the application of surface condensation. In the engines of the Spanish gunboats, of which we annex an illustration from Engineering , the designer, Captain Ericsson, has overcome these objections by introducing a surface condenser, which, while it performs the function of condensing the steam to be returned to the boiler in the form of fresh water, serves as the principal support of the engines, dispensing entirely with the usual framework. Besides this expedient, each pair of cylinders have their slide frames for guiding the movements of the piston rods cast in one piece. Altogether the combination, is such that the total weight and space occupied by these novel twin screw engines do not exceed the ordinary single screw engines of equal power... Continue reading book >>

Scientific American, Volume 22, No. 1, January 1, 1870 By: Various

First Page:

[Illustration]

SCIENTIFIC AMERICAN

A WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTURES.

NEW YORK, JANUARY 1, 1870.

Vol. XXII. No. 1. [NEW SERIES.]

$3 per Annum [IN ADVANCE.]

Contents: (Illustrated articles are marked with an asterisk.)

Engines of the Spanish Gunboats

The Torpedo Problem

Sugar Making in Louisiana

Sticking, or Court Plaster

An Improved Hoisting Pulley Wanted

Ferdinand De Lesseps Chief Promoter of the Suez Canal

An Ingenious Vent Peg

A New English Patent Pulley Block

Plants in Sleeping Booms

Improved Treadle Motion

Improved Method of Catching Curculios

Remains of a Megatherium in Ohio

Artificial Ivory

American and English Kailway Practice Contrasted

Boiler Covering

Attachment of Saws to Swing Frames

Patent Decision

Inventions Patented in England by Americans

Russ Improved Wood Molding Machine

A Lost Civilisation

Girards "Palier Glissant"

A Happv New Year

The Suez Canal not yet a Failure

Tubular Boilers and Boiler Explosions

Professor Fiske's Lecture at Harvard

The Brighter Side

The American Institute Prizes Awarded to Steam Engines

A Protest against the Canadian Patent Law

American Railway Management

Scientific Lecture before the American Institute

The Battle Fields of Sceence

How French Bank Notes are Made

What the Newspapers Say

Chinese Method of Preserving Eggs

Steam Boiler Explosion

Editorial Summary

The Steven Breech Loading Rifle

A Novel Improved Hand Vise

The Mound Builders of Colorado

The Woven Wire Mattress

Flouring Mill Hazards

Fire Proof Building

The Decline of American Shipping

Aerial Navigation A Suggestion

Putty Floors of Jewelers Shops and otherwise

Western Demand for Agricultural Implements

Economical Steam Engine

Friction and Percussion

Oiling a Preservative of Brownstone

Interesting Correspondence from China

Commumcation Between Deaf and Blind Mutes

Cheap Cotton Press Wanted

A Singular Freak of a Magnet

Preservation of Iron

The Bananas and Plantains of the Tropics

Putting Up Stoves

The Magic Lantern

The Largest well in the World Capacity 1,000,000 gallons of water per Day

Paper for Building

Improved Muzzle Pivoting Gun

Stock Feeding by Clock Work

Milk and What Comes of It

Improved Hay Elevator

Improvement in Lamp Wicks

Great Transformation

Answers to Correspondents

Recent American and Foreign Patents

New Books and Publications

List of Patents

Engines of the Spanish Gunboats.

In our description of these boats in No. 25, Vol. XXI., special mention was made of the compactness of the engines.

It has frequently been urged as an objection against the twin screw system that the double set of engines, four steam cylinders with duplicates of all the working parts called for on this system, render the whole too complicated and heavy for small vessels, preventing, at the same time, the application of surface condensation. In the engines of the Spanish gunboats, of which we annex an illustration from Engineering , the designer, Captain Ericsson, has overcome these objections by introducing a surface condenser, which, while it performs the function of condensing the steam to be returned to the boiler in the form of fresh water, serves as the principal support of the engines, dispensing entirely with the usual framework. Besides this expedient, each pair of cylinders have their slide frames for guiding the movements of the piston rods cast in one piece. Altogether the combination, is such that the total weight and space occupied by these novel twin screw engines do not exceed the ordinary single screw engines of equal power... Continue reading book >>

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Scientific American Supplement, No. 275, April 9, 1881	Scientific American Supplement, No. 303, October 22, 1881	Scientific American Supplement, No. 286, June 25, 1881
Scientific American Supplement, No. 288, July 9, 1881	Scientific American Supplement, No. 299, September 24, 1881	Scientific American Supplement, No. 363, December 16, 1882
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Scientific American Supplement, No. 613, October 1, 1887	Scientific American Supplement, No. 623, December 10, 1887	Scientific American Supplement, No. 421, January 26, 1884
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Scientific American Supplement, No. 711, August 17, 1889	Scientific American Supplement, No. 633, February 18, 1888	Scientific American Supplement, No. 717, September 28, 1889
Scientific American Supplement, No. 312, December 24, 1881	Scientific American Supplement, No. 1178, June 25, 1898	Scientific American Supplement, No. 315, January 14, 1882
Scientific American Supplement, No. 365, December 30, 1882	Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures	Scientific American Supplement, No. 1157, March 5, 1898
Scientific American Supplement, No. 664, September 22,1888	Scientific American Supplement, No. 1082, September 26, 1896	Scientific American Supplement, No. 488, May 9, 1885
Scientific American Supplement, No. 647, May 26, 1888	Scientific American magazine, Vol. 2 Issue 1 The advocate of Industry and Journal of Scientific, Mechanical and Other Improvements	Scientific American magazine Vol 2. No. 3 Oct 10 1846 The Advocate of Industry and Journal of Scientific, Mechanical and Other Improvements

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