60 REPORT — 18G7. 



vessels in tLe Merchant Service, and of two vessels of tlie United States Navy; 

 together with the particulars of their machinery." 



This Table contains data of the Chester and Holyhead Railway boats, as 

 mentioned in former Eeports ; the quantities given in it have therefore 

 been selected for the present Report. But in taking the dimensions of the 

 ships, former printed Tables have been compared with this in order to ensure 

 accuracy. 



" Appendix I., Table II. — Results of performances of the steamships in the 

 service of the ' Messageries Imperiales ' of France during the year 1858." 



No dimensions of these ships have been given ; they have therefore been 

 left out of the present Report. 



" Appendix H., Table I. — Chester and Holyhead Railway, Steamboat Depart- 

 ment. A return of the speed and consumption of coal of the express and cargo 

 boats, under regulated conditions of time, pressure, and expansion, for the under- 

 mentioned period (namely, from January 1 to December 31, 1859)." 



" Appendix II., Table II. — Chester and Holyhead Railway, Steamboat Depai-t- 

 ment. Chester and Holyhead steamboat's consumption of coal for the six months 

 ending 30th June 18.59." 



Appendix II., Table HI. — Chester and Holyhead Railway, Steamboat Depart- 

 ment. Chester and Holyhead steamboats' consumption of coal for the six months 

 ending 31st December 1859." 



These three Tables show the performance of eight ships, the ' Anglia,' 'Cam- 

 bria,' ' Scotia,' ' Telegraph,' ' Hibemia,' ' Hercules,' ' Ocean,' ' Sea Nymph.' 



"Appendix IV. — Table showing the ratios between the indicated horse-power 

 and the gi-ate, the tube, the other heatiug and total heating-surfaces, and the in- 

 dicated horse-power ; also between the grate- and heating-surfaces and between 

 the indicated horse-power and the coal consumed." 



This Table contains two ships of the United States Navy, the same as have 

 been mentioned in Appendix I., Table I. : nineteen vessels of the Royal Navy, 

 whose quantities also are mentioned in other Tables : and nineteen vessels of 

 the Merchant Service, amongst which are the ' Anglia,' ' Cambria,' ' Scotia,' 

 and ' Telegraph.' 



" Appendix \. — Description of the hull, engines, and boilers of the United 

 States sloop ' '^^'yoming.' Table I. Perfonnauce of United States steima-sloop 

 ' Wyoming ' under steam alone. Table II. Performance of United States steam- 

 sloop ' "Wyoming' imder steam and sail." 



" Supprementary Appendix. — Table showing the trial performance of the steam- 

 vessels ' Lima ' Jmd ' Bogota ' when fitted with single-cylinder engines, and after 

 being refitted with double-cylinder engines. Also the sea performances of the 

 same vessels under both these conditions of machineiy, and on the same service." 



This Table has also been embodied in Table 11. of printed Report, 1861. 



" 1861. Table I. — Return of performance of Her Majesty's vessels, furnished 

 by the Admiralty.'' 



" " Table II. — Showing the results of the performance of six of Her Majesty's 

 vessels under various circumstances." 



" Table III. — Performance of Her Majesty's Ship ' Victor Emmanuel ' at sea." 



" Table IV. — Retm-n of seven trials on the measured mile in Stokes Bay of Her 

 Majesty's Ship 'Victor Emmanuel.' " 



" Taiale V. — Return showing the results of performance of eighteen vessels in the 

 Merchant Service under various conditions." 



•' Table VI. — Chester and Holyhead Railway, Steamboat Department, A return 

 of the speed and consumption of coal of the express and cargo boats, imder re- 



