58 REPORT — 1867. 



Report of a Committee, consisting of Mr. J. Scott Russell^ Mr. T. 

 Hawksley, Mr. J. R. Napier, Mr. William Fairbairn, and Pro- 

 fessor W. J. M. Rankine, appointed to analyze and condense the 

 hiformation contained in the Reports of the " Steam-ship Perform- 

 ance " Committee and other sources of information on the same sub' 

 ject. 



Ax the Nottingham Meeting of the British Association in 1S66, the following 

 recommendation -was passed, — " That Mr. J. Scott Eussell, Mr. T. Hawksley, 

 Mr. James E. Napier, Mr. William Fairbaira, and Professor W. J. Macquom 

 Eankine he a Committee to analyze and condense the information contained 

 in the Pi,eports of the Steam-Ship Performance Committee, and other soui'ces 

 of information on the same subject, with power to employ paid calculators or 

 assistants, if necessary ; and that the sum of .£100 be placed at their disposal 

 for that purpose," 



The Committee so appointed employed as a calculator and assistant 

 Mr. John Quant, Naval Architect, v.'ho has discharged the duties entrusted 

 to him with great industry and ability. 



The whole of the sum of £100 has been expended. 



The contents of the present Eeport are arranged as foUows :■ — • 



Catalogue of Tables as pubLished in the years 1857, 1858, 1859, ISGO, 

 1861, 1862. 



Method of condensation. 



Table I. Condensed Table of Merchant Paddle Steamers. 



Table II. Condensed Table of Merchant Screw Steamers. 



Tables III., IV., Y., and VI. Condensed Tables of Meu-of-War, forming 

 four groups. 



Catalogue of Tables as puhlished in the years 1857-62. 



" 1857, Appendix A. — Tabular compai'ison, the old, the present, and proposed 

 measurement for tonnage ; an analysis of ships and steamers, their proportions, dis- 

 placement, weight, and resistance ; engines and stuam-power, and result of speed 

 realized." 



This Table is of little or no use for analyzation, for this reason — that of 

 the few steamers of which the displacement and speed are given, no indi- 

 cated horse-power has been returned, and vice versd. Some of the vessels 

 contained in it are mentioned in the condensed Tables ; but theii* quantities 

 are given as taken from other Tables. 



" Table A. — Summary of returns, showing the performance of the Chester and 

 Holyhead Company's steam-vessels ' Anglia,' ' Cambria,' and ' Scotia,' and the 

 consumption of coal between Holyhead and Kingstown, under certain conditions 

 taken at standard tests." 



" 1858, Appendix II. — Table showing the difterence which exists between the 

 ' register tonnage ' of vessels and the ' tons weight ' of cargo actually carried in the 

 trade and navigation of the United Kingdom with foreign countries and British 

 possessions in 1852, 1853, 1854, and 1855, deduced from retm-us of the Board of 

 Trade." 



" 1859, Appendix V., Table I. — Return of the peifomiance of the Chester and 

 Holyhead Company's steam-vessels, under trial for a standard test." 



" Appendix v., table II. — Cojiy of a return laid before a Select Committee of 



