Scientific American Supplement, No. 312, December 24, 1881 eBook

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Start of eBook	1
IMPROVED FIFTEEN TON CRANE.	1
IMPROVED STEAM-BOILER.	3
THE ELEVATED RAILWAYS OF NEW YORK.	4
AMERICAN ANTIMONY.	5
	5
THE STEAM-ENGINE EMPLOYED FOR MANUFACTURING PURPOSES.	6
THE EVAPORATIVE CONDENSER.	7
STEAM NAVIGATION.	7
MARINE GOVERNORS.	9
LIGHT ENGINES AND BOILERS.	9
THE PERKINS SYSTEM.	10
ETHER ENGINE.	11
THE QUICKSILVER ENGINE.	12
LOCOMOTIVE ENGINES.	12
BRAKES.	14
MOTORS.	14
TRANSMISSION OF POWER.	15
COMPRESSED AIR LOCOMOTIVES.	16
HYDRAULIC TRANSMISSION OF POWER.	16
ELECTRIC TRANSMISSION OF POWER.	18
THE MANUFACTURE OF IRON AND STEEL.	18
BRIDGES.	20
MACHINE TOOLS.	21
THE SEWING MACHINE.	22
AGRICULTURAL MACHINERY.	23
PRINTING MACHINERY,	24
AMATEUR MECHANICS.	24
ROTARY CUTTERS.	26
WOOD WORKING.	29
A NEW METHOD OF KEEPING MECHANICAL DRAWINGS.[1]	31
ACHARD’S ELECTRIC BRAKE.	34
ELECTRICITY; WHAT IT IS, AND WHAT MAY BE EXPECTED OF IT.[1]	35
ELECTRIC LIGHT APPARATUS FOR PHOTOGRAPHIC PURPOSES.	43
DESRUELLES’S ELECTRIC LIGHTER	45
SOLENOID UNDERGROUND WIRES IN PHILADELPHIA.	46
DR. HERZ’S TELEPHONIC SYSTEMS.	47
	50
SECONDARY BATTERIES.	50
THE TREATMENT OF QUICKSILVER ORES IN SPAIN.	51
THE BALLOON IN AERONAUTICS.	54
	56
MEMORABLE ENGLISH HOUSES.	57
DOMESTIC SUGAR PRODUCTION.	58
HERALD ISLAND.	61
ON THE SUMMIT.	61
A MIDNIGHT OBSERVATION.	62
PLANT LIFE ON HERALD ISLAND.	62
INHABITANTS OF THE CLIFFS.	62
FRANZ LISZT.	63
M. GARNIER’S NEW METHODS OF PHOTOENGRAVING.	64
PHOTOGRAVURE.	65
PHOTOGRAPHIC PRINTING BY VAPOR—ATMOGRAPHY.	67
DANGERS OF PYROGALLIC ACID.	68
	69
PATENTS.	69

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Scientific American Supplement, No. 312, December 24, 1881 from Project Gutenberg. Public domain.