Contents. 
-No. Prg'e 
Nocturnal watch — Brunswick green — Cement for crack- 
ed iron vessels ..... 239 
33. On spontaneous inflammations. By C. Bartholdi, Pro- 
fessor of Natural Philosophy and Chemistry. . .241 
34. Addition to a memoir on the method of giving to cotton 
and linen thread the Adrianople Red, aud other fixed 
Colours, and on spontaneous Inflammation. By J. M. 
Haussmann. . . . . . . . . .25,3 
35. Agenda, or a Collection of Observations and Researches, 
the Results of which may serve as the foundation for a 
theory of the earth. By M. de Saussure. . .262 
S5.*Description of a Portable bridge, invented by Mr. James 
Elmes, architect, of College-Hill, Queen-Street, Cheap- 
side, London ........ 268 
36. A Treatise on the cultivation of the Vine, and the method 
of making Wines. By C. Chaptal. .... 270 
37. On the penetration of balls into uniform resisting sub- 
stances. By W. Moore, Esq. ..... 277 
38. Of Telegraphic communication. ..... 289 
39. On Signals made by Fire. 294 
40. Description of a cheap and efficacious Ventilator for pre- 
serving corn on ship-board. By Thomas South, Esq. . 307 
41. Directions for constructing a cheap bed and elastic frame, 
for the easy conveyance of sick or wounded persons, in- 
vented by Patrick Crighton, Lieutenant-colonel of the 
second Regiment royal Edinburgh volunteers. . 316 
Intelligence — Indelible ink. ..... 320 
42. On the spontaneous ignition of charcoal: by B G. Sage, 
Member of the Institute, founder and director of the 
first school of mines. . . . . . . . 322 
43. Agenda; or a collection of observations and researches 
the results of which may serve as a foundation for a 
theory of the earth. By M. de Saussure. . . . 328 
44. A Treatise on the cultivation of the Vine, and the me- 
thod of making Wines. By C. Chaptal. . . . 343 
45. Method of obviating the necessity of lifting ships. By 
Mr. Robert Seppings, of Chatham Yard. . . . 36 3 
46. On the irregularity in the rate of going of time-pieces oc- 
casioned by the influence of Magnetism. By Mr. Varley 371 
47. Description of a camp Telegraph, invented by Knight 
Spencer, Esq. secretary to the Surry Institution. . 376 
48. Invention of a Homograph, or method of communication 
by signals, on sea or land. By Lieutenant James Spratt. 382 
49. Improvement of Nooth’s apparatus ; in a letter from Dr. 
Wilkins of Baltimore. . . . . . .387 
50. List of Patents. 390 
Intelligence — English incendiary fusees examined. . 399 
Preservation of butter. .... 400 
English cheese e , , ibM 
