ON STEAM-SHIP PERFORMANCE. 283 



27. 73^. 28. No. 29. Two. 30. Ordinary. 32. D. 33. Not ascer- 

 tained/ 34. 23 revolutions. 35. Not ascertained. 37- 392-10. 38. 806*36 

 to 1174-80; mean, 995-3.5. 39. 144 to 15 -i-. 40. 244 to 27. 41. Four. 

 42. Tubular. 43. See column 45. 44. Boilers, 66 tons ; water, 60 tons. 



45. The boilers are now removed under which trials were made. 46. Twelve. 

 52. Tubular. 54. Two, 5 ft. diameter. 55. Fifteen. 56. 5760 lbs. 



Return of Particulars respecting the Steam-ship ' Scotia ' whilst tinder Trial. 



1. Between Holyhead and Kingstown, six trips, 17th to 21st of May, 1855. 

 2. S. to N.E. ; light winds and fine; tides partly unfavourable. 3. 2*17. 

 4. 13-10. 5. Not ascertained. 6. 861-84 to 100? 16. 7. Paddle. 8. See 

 column 1. 9. See column 1. 10.15-68. 11.192-7. 12.188-78. 13.8-10. 

 14. 680. 21. Diameter, 24 ft. 6 in.; length, 10 ft.; breadth, 3 ft. 8 in. ; 

 thickness, 3 in.; number, 12. 22. Patent; modification of Morgan's Patent. 



23. About 23 tons. 24. 6 ft. 26. Maudsley, Sons, and Field's Double 

 Patent Cylinder. 27. 52. 28. No. 29. Four. 30. Two copper cylin- 

 drical, each 51 cubic feet. 31. Two, each 16^ cubic feet. 32. Circular. 

 33. Not ascertained. 34. 24 revolutions. 35. Not ascertained. 37-379-92. 

 3S. 861-814 to 1007*16; mean, 934-18. 39. 12 to 12^ 40. 26^ to 27. 

 41. Two. 42. Tubular. 44. Boilers, 47 tons, 3 cwt., 2 qrs. ; water, 39 

 tons. 45. The boilers are now removed under which trials were made. 



46. Twelve. 52. Tubular. 54. Two, 5 ft. diameter. 55. Fifteen. 56. 

 6240 lbs. 



Return of Particulars respecting the Steam-ship ' Telegraph' whilst tinder 



Trial. 



1. Between Holyhead and Kingstown, two trips, 29th of May, 1857. 2. S.W.; 

 moderate and fine; tides partly favourable. 3. 2 tons, 18 cwt. 4. 15 tons, 

 8 cwt. 5. Not ascertained. 6. 1165-9S. 7. Paddle. 8. See column 1. 9. 

 See column 1. 10. 15-24statute miles. 11. 243 ft. 8 in. 12. 224-70 sq. ft. 

 13.. 9 ft. 8 in. 14. 1173. 21. Diameter, 26 ft. 10 in.; length, 10 ft.; 

 breadth, 4 ft.; thickness. 3^ in.; number, 14. 22. Patent; modification of 

 Morgan's Patent. 24. 4 ft. 5 in. 26. Side lever. 27. 77-} diameter. 



28. No. 29. Two. 3U. Ordinary. 32. D. 33. Not ascertained. 34. 

 25 revolutions. 35. Not ascertained. 37.448-0. 38.1165-98. 39. Four- 

 teen. 40. Twenty-six. 41. Two. 42. Tubular. 44. Boilers, 70 tons; 

 water, 65 tons. 45. The boilers are now removed under which trials were 

 made. 46. Twelve. 47. Tube surface, 7382*76; furnace, 462 - 0; flame 

 boxes, 747*0. 53. Number, 1 128 ; length, 6 ft. 9 .in. ; diameter, 3f in. brass. 

 54. Two, 5 ft. diameter. 55. Fourteen. 56. 7800 lbs. 



Return of Particulars respecting the Steam-ship ■ Mersey ' whilst under Trial. 



1. Stokes Bay, 21st of April, 1859. 2. N.W. 4; smooth; ebb tide. 3. 

 Not known. 4. Not known. 5. Not known. 6.1088. 7. 30^. 8. Mean, 

 2 runs, 13*459 knots. 9. Mean, 2 runs, 13*117 knots. 10. 13*288 knots. 

 11. Length, 254 ft. 5 in.; breadth, 30 ft. 12. 261. 13. 10 ft. 5 in. aft; 

 10 ft. 1 in. forward. 14. 1300. 21. Diameter, 21 ft. 4 in.; length, 8 ft. 

 6 in.; breadth, 3 ft. 5 in.; thickness, 3 in. 22. Feathering. 23. 13^ tons. 



24. 4 ft. 25. Not tried. 26. Oscillating. 27. 60 in. diameter ; length of 

 stroke, 5 ft. 28. Steam belt. 29. Two. 30. Ordinary. 31. Ordinary 

 bucket pump. 32. India-rubber valves. 33. 81 tons. 34. 302^ feet, 30^ 

 revolutions. 35. Unknown. 37. 250. 38. 1088. 39. 20 lbs." full. 40. 



