244 New Patents. [Marew, 
JoserH BaaveEr, Doctor of Medicine, Knight, of the kingdom 
of Bavaria; for an improved plan of constructing rail roads, and 
carriages to be used on such improved rail roads, for the more easy, 
convenient, and expeditious, conveyance of all sorts of goods, 
wares, merchandize, persons, and all other articles usually or at any 
time removed in carriages of any construction whatever. Nov. 14, 
1815. 
James Dotron, jun. Hillsley, Gloucestershire, clothier; for 
certain improvements in fulling mills. Nov. 23, 1815. 
Avan Taytor, Barking, Essex, DANTE. GALLAFENT, sen. and 
Daniet GALLAFENT, jun. Braintree, Essex; for an engine for 
raising cold and hot water. Nov. 25, 1815. 
GroreE Youn, Paul’s Wharf, Thames-street, London ; for a 
method of making a peculiar species of canvas, which may be used 
more advantageously for military and other purposes than the canvas 
now in use. Dec. 5, 1815. 
Joun Mazi, Poland-street, London ; for an instrument for the 
improvement of musical performance, which he calls a metranome, 
or musical time-keeper. Dec. 5, 1815. 
ARTICLE X. 
Scientific Books in hand, or in the Press. 
Mr. Accum has in the Press a Third Edition of his Practical Trea- 
tise on Gas Light; exhibiting a summary description of the apparatus 
and machinery best calculated for illuminating streets, houses, and 
manufactories, with coal gas ; with remarks on the utility, safety, and 
general nature, of this new branch of civil economy. 
Baron Von Humboldt has just published the first half volume of his 
South American Plants. Its title is as follows: Nova Genera et Spe- 
cies Plantarum quas in Peregrinatione Orbis Novi colligerunt, descrip- 
serunt partim adumbraverunt Amat. Bonpland et Alex. de Humboldt, 
ex schedis autographis Amati Bonpland in Ordinem digessit Carolus 
Sigismund. Kuhn. Accedunt Tabule zris incise et Alex. de Humboldt 
Notationes ad Geographiam Plantarum spectantes. Paris, 1815.— 
We shall afterwards give an abstract of Humboldt’s curious introduc- 
tion respecting the geography of plants, which constitutes an interest- 
ing subject of contemplation for the philosopher. 
Dr. Olinthus Gregory is about to publish Elements of Plane and 
Spherical Trigonometry, with their applications to heights and dis- 
tances, projections of the sphere, dialling, astronomy, the solution of 
equations, and geodesic operations ; intended for the use of mathema- 
tical seminaries, and of first year men at College. 
The Rev. W. Bingley, Author of Animal Biography, has prepared 
for the press Useful Knowledge in the Mineral, Vegetable, and Animal 
Kingdoms ; or a familiar account of the various productions of nature, 
which are chiefly employed for the use of man; in three volumes, 
12mo. with numerous plates. 
