MISCELLANEOUS. 1049 



4264. Water Deposition Apparatus. 



4265. Oxy-hydrogen Gas Apparatus, Werner's construc- 

 tion. 



4266. Constant Battery, according to Stohrer. 



4267. Twenty pair of Plates. 



4268. Tangent-Compass, with movable compass. 



4269. Horizontal Galvanometer, box-shaped. 



42 7O. Multiplicator, according to Schweigger, for thermo- 

 electrical currents. 



4271. Table Galvanometer. 



4272. Electro- Magnet, arranged for a table, and for suspen- 

 sion. 



4273. Apparatus for showing the rotation of a magnet. 



4274. Apparatus for showing the rotation of two magnets, 

 caused by a current. 



4275. Magnet, rotating around its own axis. 



4276. Electro-Magnetical Oscillating Apparatus, with 

 supporter for Geissler's tubes. 



4277. Electro-Magnet, rotating under the influence of ter- 

 restrial magnetism. 



4278. Electro-Magnet, rotating in a second, with contrivance 

 for lifting weights. 



4279. Machine, according to Page. 



4280. Electro- Magnet rotating above a steel magnet, 



4281. Barlow's Wheel. 



4282. Lightning Wheel, according to Neef. 



4283. Apparatus, according to Petrina, showing the attrac- 

 tion of parallel currents. 



4284. Ampere's Frame, according to Eisenlohr. 



4285. Model of Morse's Writing Telegraph. 



4286. Induction Apparatus, according to Dubois-Reymond, 

 arranged for medical purposes. 



4287. Pocket Induction Apparatus, according to Werner?. 



4288. Spark Inductor, according to Ruhmkorff. 



