414 List of Patents, fyc. 
19- To James Smith of Droitwich, county of Worcester, 
civil-engineer, for an invention of an apparatus for the apply- 
ing of steam for the cooling and concentration of solutions in 
general, crystallizing the muriate of soda from brines contain- 
ing that salt, melting and refining of tallow and oils, boiling of 
sugar, distilling, and other similar purposes.” Sealed at Edin- 
burgh 18th August 18 23. 
20. To William Wigton, of Derby, county of Derby, en- 
gineer, for certain “ improvements on Steam-engines.” Sealed 
at Edinburgh 18th August 1823. 
LIST OF PLATES IN VOL. IX. 
Page 
Plate I. Fig. 1. Captain Scoresby’s Magnetimeter, - 42 
Fig. 2. Captain Scoresby’s Chronometrical Compass, 54 
II. Represents the phenomena of the Two New Fluids 
discovered in Minerals by Dr Brewster, - 94 
III. Contains Figures illustrating the Natural History and 
Structure of the Aquatic Salamander, - 107 
IV. Fig. 1. Represents the Crystals of a New Mineral 
called Achmite, - - - 55 
Figs. 2, 3, 4, 5, are Diagrams illustrating Mr Bow- 
dich’s method of Measuring the progress of an 
Eclipse of the Moon by a Sextant, - 57 
Fig. 6. Represents the Singular Flint Celt belonging 
to James Nairne, Esq. - - 152 
Figs. 7 .— 15. are Diagrams illustrating Professor 
Moll’s paper on Electro-Magnetism, - 167 
Fig. 16 . Represents the New Steam-Engine of Mr 
Perkins, - - - 172 
V. Represents a Map drawn by a Native of Dawae, 228 
VI. Represents the terminable and interminable Routes 
of the Knight over the Chess-board, - 237 
VII. Illustrates the Experiments of M. Frauenhofer on the 
Refraction of different kinds of Glass, - 288 
VIII. Represents the Steam-boat proposed in 1736by Mr 
Jonathan Hulls, copied from the original in his 
Pamphlet, - - - 274 
