Leclures.—Patents. 155 
Queries. 
1. What is the best breadth of rail-way, and the best form of 
& waggon or carriage for the conveyance of commodities in ge- 
neral ? 
2. Supposing the trade alternate, it will be desirabie that the 
rail-way should proceed.on a continued level, or upon successive 
levels. What are deemed the best means, with reference to 
eeconomy and dispatch, for clevating or depressing the laden 
carriages tyom one level to another ? 
3. Supposing the edge rail-way, which is generally preferred - 
in Scotland, to be adopted, can a wheel be so constructed as to 
be applicable to streets or ordinary roads, as well as to rail-roads, 
so that no inconvenience shall be experienced on leaving either 
to travel on the other ? 
St. George’s Medical, Chemical, and Chirurgical Lectures. 
These will, as usual, commence the first week of October, in 
the following departments : 
1. On the Practice of Physic, with the Laws of the Animal 
(Economy, and occasional Pathological Demonstrations, at 
No. 9, George- street, Hanover-square, by George Pearson, M.D, 
F.R.S., Senior Physician to St.George’s Hospital, of the College 
of Physicians, &c. 
2. On the Science of Chemistry, in which Medical Jurispru 
dence will form a part of the Course, at the Royal Institution, 
Albemarle-street, by W. T, Brande, F.R.S. Prof. Chem. Royal 
Institution, &c. 
3. OnSurgery,at Mr. Brodie’s Theatre, Great Windmill-street, 
by B.C. Brodie, F.R.S. Assistant Surgeon at St. George’s Hos- 
ital, &c. 
si 4, On Therapeutics, with Materia Mediea, by George Pear- 
son, M.D.F.R.S. &c. 
‘5. Sir Everard Home will continue his Surgical Lectures 
gratuitously to the Pupils at St. George’s Hospital. 
LIST OF PATENTS FOR NEW INVENTIONS. 
To Samuel Clegg, of Westminster, engineer, for an improved 
gasometer or gasholder.— 24th July, 1818.—6 months. 
To Richard Blakemore, of Milingriffith Work, county of Gla- 
morgan, and John James, of Lower Redbrook, iu the county of 
Gloucester, iron-masters and tin-plate manufacturers, for a new 
kind of plate, which they denorinate ‘ amorphous metal plates," 
and likewise a certain improved and more perfect method or 
methods of crystallizing, or rendering crystallizable, the surface 
of 
