196 REPORT 1861. 



Your Committee take this opportunity of expressing their satisfaction in 

 being able to report, that since the commencement of their labours in 1857, 

 the interest that has been taken in Steamship Performance, and the desire to 

 assist the Association in eliciting information on the subject, not only by 

 officers of the Royal Navy, but also of the merchant service, fully bear out the 

 opinion expressed at the meeting of the Association in Dublin, that this subject 

 was second to none in importance, and that its steady pursuit would tend 

 very materially to the advancement of the science of shipbuilding and marine 

 engineering. 



The following is a general summary of the results of the Committee's 

 labours during the past season. They have obtained — 



1. The particulars of the machinery and hulls of seventeen of H.M.'s vessels, 

 and the details of 58 trials made during the years 1857, 185S, and 1859, sup- 

 plied by the Admiralty. The Committee are in possession of copies of the 

 diagrams taken during the trials in 1859, with notes of observed facts by the 

 officers conducting the trials. The names of the vessels are the ' James Watt,' 

 ' Virago,' ' Hydra,' ' Centaur,' ' Industry,' ' Diadem,' ' Mersey,' ' Algerine,' 



• Leven,' ' Lee,' ' Slaney,' ' Flying Fish,' ' Marlborough,' ' Orlando,' ' Bull- 

 finch,' 'Doris,' and 'Renown.' (Appendix, Table 1.) 



2. Returns of seven of H.M.'s vessels when at sea, under various circum- 

 stances, viz., under steam alone, under sail alone, and under sail and steam 

 combined. The names of these are the ' Colossus,' ' Chesapeake,' ' Flying 

 Fish,' ' St. George,' ' Clio,' ' Sphinx,' and ' Victor Emmanuel.' 



3. Return of the London and North- Western Railway Company's steamboat 

 ' Cambria's ' trials and ordinarj' performances as originally built, and after being 

 lengthened ; also of the Pacific Steam Navigation Company's vessels ' Lima ' 

 and 'Bogota,' when fitted with original and other machinery ; also of the new 

 cargo boat, the ' Admiral Moorsom.' 



4. Returns of the Peninsular and Oriental Company's boats ' Colombo,' 



• Candia,' ' Ceylon,' ' Delta,' ' Nubia,' and ' Pera,' when on voyages between 

 Southampton and Alexandria, and between Suez and Bombay respectively, 

 together with particulars of their machinery and hulls furnished by the 

 builders and engineers. 



5. Returns of the Pacific Steam Navigation Company's vessels ' Guaya- 

 quil ' and ' Valparaiso,' with particulars of trials and sea voyages during 1860. 



6. Returns of the trials of the vessels ' Leouidas,' ' Mavrocordato,' ' Pene- 

 lope,' furnished by Messrs. Morrison and Co., and the ' Thunder ' and 'Midge,' 

 by Messrs. J. and W. Dudgeon. 



7. Tables showing the Results of the Navigation of the steamboats in the 

 service of the Messageries Imperiales, during the years 1859 and 1860. 



8. Returns of the London and North-Western Company's steamboats 

 ' Anglia,' ' Cambria,' ' Scotia,' ' Telegraph,' ' Hibernia,' 'Hercules,' ' Ocean,' 

 and ' Sea Nymph,' under regulated conditions of time, pressure, and expansion, 

 from January 1 to December 31, 1860. Half-yearly verification of the con- 

 sumption of coals for the same period. 



9 . Return of the average time of passage and consumption of coal of the City 

 of Dublin Steam Packet Company's mail steamers ' Prince Arthur,' ' Llewel- 

 lyn,' 'Elbana,' and ' St. Columba,' for six months ending June 30th, 1860. 



10. Ditto ditto, with the addition of the fast steamers 'Leinster' and 

 'Ulster,' for three months ending September 30th, 1860. 



11. Return of the average passages of the mail packets 'Leinster,' 'Ulster,' 

 *Munster,' and ' Connaught,' for six months ending March 31st, 1860. 

 (Appendix, Tables 12, 13, and 14.) 



12. Return of the trial of the 'Leinster' and 'Ulster' between Holyhead 

 and Kingstown, (Table 5.) 



