Chapter XXVII

HEATING APPARATUS--MARINE STEAM-ENGINES--REFORM COLUMN.

Ill health, 1830--Hot-house boiler--Heating rooms--Discharging
coal-ships by steam--Hot-water stoves for France--Patent for heating
apparatus, 1831--Marine portable engines--Boat propeller--Wheal
Towan--Discharging coal by steam at Hayle--Proposal to the Common
Council of London--Every vessel to carry a steam-engine--Mr. George
Rennie--Proposal to the Admiralty--Surface condensation--Locomotives
supplying their own feed-water--Petition in Trevithick's
favour--Davies Gilbert's suggestion--His comparison of the Watt
and Trevithick engines--Maudslay on Trevithick's proposals--Patent
of 1832--Superheating steam--Cylinder placed in flue from
boiler--Expansive steam--Tubular boiler--Water propulsion--Superheating
and surface condensation for locomotives--Detail of engine--Proposal
to send steamboats to Buenos Ayres--Waterwitch Company--Messrs.
Hall and Sons--Hall's condenser--Rennie and the Admiralty--'Syria'
steamboat--Compound engines--Watt on high-pressure steam--Trevithick
on compound engines--Tubular boiler and variable blast-pipe--Refusal
of Trevithick's petition to Government--Ill health--Davies
Gilbert's statement to Spring Rice--Meeting on proposed Reform
Column--Trevithick's description--Means of ascent and descent--Placed
before the King--Death--Funeral--His last letter Page 363-396

ILLUSTRATIONS TO VOLUME II.

PAGE

AËRATED STEAM-BOILER 7
ROCK SPLITTING 25
STEAM THRASHING ENGINE 37
AGRICULTURAL MACHINE 58
WHEAL PROSPER HIGH-PRESSURE STEAM POLE-ENGINE 70
CYLINDRICAL HIGH-PRESSURE STEAM-BOILERS 71
EXPANSIVE STEAM POLE-ENGINE 81
CARN BREA CASTLE 147
TREVITHICK'S DOLCOATH ENGINE OF 1816 168
TREVITHICK'S DOLCOATH BOILERS OF 1811 169
STEAM DIAGRAM 185
'LA BELLE MACHINE' 190
CARRIAGE-WHEELS 207
WINDING ENGINES 208
PENZANCE IN OLDEN TIME 228
MARKET, JEW STREET, PENZANCE 243
MULE TRACK FROM LIMA TO CERRO DE PASCO 258
MAP OF COSTA RICA MINES 260
GUN-CARRIAGE 285
DUTCH PUMPING ENGINE 298
MOUNT'S BAY 318
PARTIAL CONDENSATION ENGINE 332
TUBULAR BOILER AND CONDENSER 339
BOTTLE-NECK BOILER 357
CAPTAIN DICK AND CAPTAIN ANDREW 361
HOT-WATER ROOM-WARMER 364
PATENT HEATING APPARATUS 366
DUCK'S-FOOT PADDLE 369
MARINE ENGINE AND BOILER 380
COMPOUND MARINE ENGINE 385
REFORM COLUMN IN DETAIL 391
GENERAL VIEW OF REFORM COLUMN 393

LIFE OF TREVITHICK.