CONTENTS OF VOLUME IF. vii 



CHAPTER XXVI. 



TUBULAR BOILER SITPKRIIKATING STEAM SURFACE CONDENSER. 



Binner Downs engine, JL828 Fires around cylinder and steam-pipes 

 Saving of coal Surface condensation at sea Superheating tubes 

 Used steam returned to the boiler, 1828 Holland pumping engine 

 Woolf at the Consolidated Mines Laws of steam Power of heat from 



* 1 Ib. of coal Loss of heat Experiments at Binner Downs Surface 

 condensation Partial surface condensation for ships or railways Effect 

 of superheating Watt's theory doubted Whcal Towan and other 

 engines Loss of heat Injection -water Surface condensation and 

 superheating Partial condensation engine Duty of chain pumping 

 engine Surface condensation by cold water or air Results of the expe- 

 riment Hayle Harbour Condenser of copper tubes, 1829 Suitability 

 for steam-ships Proposal to erect at his own expense a marine engine 

 with surface condenser and screw-propeller for the instruction of the 

 Admiralty, 1830. Sketch of tubular boiler and surface-air condenser 

 Screw draught -r- Preservation of heat in condensing by air Comptroller 

 of the Navy Patent of 1831 Boiler within the condenser Surface 

 condensation by air or water Safety boiler of concentric tubes Blow- 

 ing vessel for air condensation and draught Tubes for distilling water 

 Steam pressure Expansive working Robert Stephellson's statement 

 ' Echo ' steamboat, 183 1 Bottle-neck boiler Admiralty Steam Users' 

 Association Mr. Alexander Crich ton's boiler arid surface condenser 

 Captain Dick and Captain Andrew Captain King and the ' Echo' 



Page 315-302 



CHAPTER XXVII. 



HEATING APPARATUS MARINE" STEAM-ENGINES REFORM COLUMN. 



Ill health, 1830 Hot-house boiler Seating 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 Locomo- 

 tives 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 steam- 

 boats to Buenos Ay res Waterwitch Company Messrs. Hall and Sons 

 Hall's condenser Rennie and the Admiralty ' Syria ' steamboat 

 Compound engines Watt on high-pressure steam Trevithick on com- 

 pound engines Tubular boiler and variable blast-pipe Refusal of 

 Trevithick's petition to Government 111 health Davies Gilbert's state- 

 ment 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 303-396 



