CONTENTS. xv 
APPENDIX. 
SECTION" PAGE 
I. On Marine Boilers.—By J. Dinnen, Esq., Assistant Engineer, Her Majesty’s 
Dock-yard, Woolwich ........ 1 
II. A Form of Steam Journal, with remarks on the necessity of keeping a proper 
record of the operations of the engines in all steam vessels, and directions for 
marking the Steam Journal, &c.—By T. Baldock, Lieut. R.N., K.T.S. . 31 
III. On the Motion of Steam Vessels.—By P. W. Barlow, Esq., Civil Engineer 40 
IV. Time and Traverse Table.—By Captain Robert Oliver, R.N. . . 78 
V. Memoir of Her Majesty’s steam ship Medea, during a service of nearly four 
years.—By T. Baldock, Lieut. R.N., K.T.S. .... 80 
VI. On the Steam Boats of the United States of America.—By James Ren wick, 
L.L.D., Professor of Natural Experimental Philosophy and Chemistry in 
Columbia College, New York ....... 101 
VII. On Paddle Wheels.—By Aristides A. Morn ay, Esq. . . . 117 
VIII. On the Indicator.—By Joseph Glynn, Esq., C.E., F.R.S. . . 167 
IX. Howard’s Method of Vaporisation . . . . . . 171 
X. On the General Theory of the Steam Engine.—By the Editor . . 173 
XI. Practical Rules for calculating the Steam Engine.—Do. . . . 205 
XII. Index. By James Hann, Esq., of King’s College . . . 233