‘that although we He, not perhaps s arrived at the best 
‘3. The force belt 1,000, the zinc consum 
; y ee lifted ne » Si 12,672 
4 “Se ssby. ‘te 
Miscellaneous Intelligence. 283 
construction of machines, the public are not in possession of si Pe elec 
magnetic machine which is capable of exerting power economic- 
ally; and finding that, ee the aid given to faces by the 
ussian Government, t e experimentalist has abandoned his ex- 
perimental trials, —the aie has been induced to devote much atten- 
tion t 
a satisfactory basis. ‘The phenomenon of electro-magnetic peer 
was explained, and phase given of the magnetization of so 
by means of a voltaic current made to circle around it. lhe er 
of electro-magnets was ae gher the author stated his belief that this — ~~ : 
power could in ace without limitation. A voltaic current pro ja ® 
duced by the chemical disturbance of the elements of any batiery, no 
matter what its form may be, is capable of producing by induction a 
magnetic force, this magnetic force being always in an exact ratio to 
the amount of matter (zinc, iron, or otherwise) consumed inthe battery, .< | 
Several forms of the voltaic battery were explained, particularly those 
of Daniell, Grove, Bunsen, and Reinsch, the latter being constructed 
fluids, slowly combini he author had, however, proved, by an 
tensive series of Se eek that the greatest amo t of i Sot et 
Power is produced when the chemical action is most rapid. Hence, “* 
intense action, than one in which the chemical action is slow. 
been proved by Mr. Joule, and most satisfactorily confirmed by ‘the = 
author, that ‘one-horse power is obtainable in an ele teetro oe en- > 
cost of 45 |b. of zinc, in a Grove’s battery, in = et 
while 75 Ib. are consume in the same time to produce vacate ow 
ome ities resistance Pthich the molecular forces off Teel on. eae 2 ees 
rturbations, on which the magnolia force depends. © It was of oli +s 
ing preersd to 78, the number of Pte of zine ne desttoye per hour was aa 6%, 
he 
and the cmap obigined by 
y and 
