American Journal of Science. 3 
ble of supporting from 20 to 3000 Ibs. 
ge’s Comrounp Maaner and Etecrrorome, for producing 
brilliant sparks and powerful shocks. The same instrument, with a 
contrivance attached by which the intensity of the shocks can 
modified at pleasure, which renders it one of the most convenient 
instruments for the application of electricity as a remedial agent in 
the cure of disease, and for physiological experiments. 
Small working models of Evectro-MaGnetic Macuines, o 
different kinds, and a great variety of Execrro-Macneric Instrv- 
meNTS for the purpose of illustrating the theory of Execrro-Mac- 
M. 
Gatvanic Bartertes on Prof. Faraday’s plan, and others, for 
deflagration, &c. Catorimo‘ors of different sizes. 
G 
ELL Guassgs, plain and stoppered, Grapuarep Be. GuasseEs, 
Tuses, &¢.—Woutr’s Apparatus, Guass Aemsics, Stoprperep 
Funnets, Precipitating Jars. 
Nooth’s Apparatus for impregnating water with carbonic acid. 
cid. 
Apparatus for solidifying carbonic aci 
LAss ConDENSING SyRINGEs or Fire Pumps—Maerec Lan- 
TERNS, with Asrronomicat and other Surpes—Acare and Sree. 
Mortars. 
Porcetatin, Wepewoop, Hessian, and Buacx Leap Cruci- 
BLEsS—Mourrtes and Curre.s. 
Berzelius’s Spirit Lamps, with Sranps and Rives, Grass Srir- 
iT Lamps—Mopets of Crysrats in woed, in boxes containing one 
hundred different forms—Dacuerreotyre AprParatus complete. 
An assortment of Platina vessels, such as CrvciBies, Capsues, 
Spoons, Forcers, &c.—Pratina Wire, For, &c.—Sets -of 
Biowrire Apparatus neatly fitted up. 
A large collection of Minerats, for sale by the single specimen 
or in sets. 
OF Particular attention paid to the analysis of ores, minerals, 
mineral waters, &c. 
New York, June 19, 1841. 
