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[Pg i]

LIFE
OF
RICHARD TREVITHICK,

WITH AN ACCOUNT OF HIS INVENTIONS.

By FRANCIS TREVITHICK, C.E.

ILLUSTRATED WITH ENGRAVINGS ON WOOD BY W. J. WELCH.

VOLUME II.

 

 

 

LONDON:
E. & F. N. SPON, 48, CHARING CROSS.
NEW YORK:
446, BROOME STREET.

1872.

[Pg ii]

LONDON: PRINTED BY WILLIAM CLOWES AND SONS, DUKE STREET,
STAMFORD STREET AND CHARING CROSS.

[Pg iii]

CONTENTS OF VOLUME II.

CHAPTER XVII.
Various Inventions.
Stone-crushing mill, 1804--Portable puffer, 1805--Staffordshirepotteries--Engine for South America--Diversity of steamappliance--Numerous high-pressure engines--West India Docklocomotive--Engines at Newcastle--Blacklead lubricator--Engines inWales--Mine engines on wheels, 1804--Engines in London--Engines to besold in market towns--Blast-furnaces--Aërated steam-boiler--St. IvesBreakwater--Dolcoath blast copper furnace--Davies Gilbert's opinion ofthe aërated steam-boiler--Trevithick's advice to a brewer--Agriculturalengines--West India engines--Thrashing engine--Horizontalengines--Expansive steam--Cold surface condenser--Air-pump--Expansivecam--Fire-bars--Comparison with Watt's engine--Stone-boring engine,1813--Plymouth Breakwater, reduction in cost--Locomotive engine,1813--Stone splitting--New method of stone boring, 1813--Screw bit,1813--Falmouth Harbour--Exeter Bridge--Engine at Lima--Proposed trainfrom Buenos Ayres to Lima--West India portable engine1-35
CHAPTER XVIII.
Agricultural Engines; Loss of Papers.
Sir Christopher Hawkins's thrashing machine, 1812--Report of threewise men--Cost of horse and steam power--Wheal Liberty engine--SirJohn Sinclair and the Board of Agriculture--Cost of engine--Power ofengine--Welsh locomotive--Trevithick on steam agriculture--West Indiesengine--Horse-power--Trevithick on patents--Engines in charge oflabourers--Teapot--Detail of agricultural engine--Lord Dedunstanville'sthrashing machine--Plymouth Breakwater locomotive--Wheal Prosperengine--Wheal Alfred engine--Steam-plough--Cultivation ofcommons--Combined steam-tormentor, narrower, and shoveller--Mr.Rendal's thrashing
...

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