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Scientific American — No. 12, March 18, 1871电子书

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出版时间:2018-02-27

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There has recently been a most interesting discussion at the Literary and Philosophical Society, Manchester, on the above subject.
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NEW YORK, MARCH 18, 1871.

MUNN & CO., Editors and Proprietors.

NEW YORK, SATURDAY, MARCH 18, 1871.

Contents:

THE INFLUENCE OF INTENSE COLD ON STEEL AND IRON.

OAK GRAINING IN OIL COLORS.

KNOTS AND SPLICES.

The Hartford Steam Boiler Inspection and Insurance Company.

Improved Compound Spiral Car Spring for Railway Carriages.

PORTABLE WRITING AND COPYING CASE.

How Walking Sticks are made.

BOARDMAN'S COMBINED TOOL.

BELT TIGHTENER.

Some Things I don't want in the Building Trades.

Crystallized Honey.

RAMBLES FOR RELICS.

SILK CULTURE.

Universal Boring Machine.

COMBINED TRUNK AND ROCKING CHAIR.

Cosmetics.

The Medicines of the Ancients.

BARNES' VENTILATOR FOR MATTRESSES, ETC.

A SCIENTIFIC AND TECHNICAL AWAKENING.

LYCEUM OF NATURAL HISTORY.

WARMING AND VENTILATION OF RAILROAD CARS.

THE MINERAL RESOURCES OF MISSOURI.

SCIENTIFIC INTELLIGENCE.

Unpleasant Discovery in the Patent Office—Levying Black Mail.

NEW BOOKS AND PUBLICATIONS.

APPLICATIONS FOR EXTENSION OF PATENTS.

INSTRUCTIONS

Information about Caveats, Extensions, Interferences, Designs, Trade-Marks, and Foreign Patents.

MUNN & CO.,

A SPECIAL EXAMINATION

Inventions Patented in England by Americans.

ISSUED BY THE U. S. PATENT OFFICE.

To Manufacturers of Knitted Goods.

Portable & Stationary

Rare and Beautiful Flowers

Science for the Million.

Boston Journal of Chemistry,

Universal Wood Worker.

Inventor's Exchange,

245 Broadway, N. Y.,

UNITED STATES

BEST IN THE WORLD,

BRICKS.

F. C. WELLS, President,

THE NEW WILSON

WOODBURY'S PATENT

TURBINE WATER WHEELS.

SCHENCK'S PATENT.

Woodworth Planers.

THE CELEBRATED

EPILEPSY OR FITS.

An Important Fact.

MARVIN & CO.'S

Have never been Robbed.

L: L: SMITH & CO.,

THE ORIGINAL L. B. TUPPER'S

Furnace Grate Bar.

A SPRING OF WATER AT THE TOP OF THE HOUSE.

WATCHES THAT ARE WATCHES.

Engines, Tools, Machinery, etc.,

PENN WORKS,

"Our Low-Water Wheel from this on"

PAGE'S

NICKEL PLATING.

LIVE MECHANIC

American Saw Co., Manufacturers of

PULLEY BLOCKS.

DOYLE'S

Scientific American

For 1871.

MUNN & CO.,

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