Polytechnic Institute of Vienna, 379 
wen, alcohol (whisky or spirits) may be changed from ten to 
filteen degrees of Baus é, to forty or forty two degrees, 
Ann. de Chimie et de Physique Sutil. aes 
4. Fumigation.—In consequence of the prevalence of. an 
obstinate fever in the Milbank prison, in London, it was 
deemed expedient to purify the apartments and _ galleries of 
that extensive building by fumigation. This was performed 
under the direction of M. Faraday, professor in the Royal 
Institution. Equal parts of salt and oxide of manganese were 
placed in earthen dishes, each holding about a gallon, and to 
two parts of the mixture were ad dded two parts of — 
acid, previously mixed with one pon of irae: and sabi 
700 pou unds of common is 700 pounds of manganese, and 
1400 pounds of sulphuric acid. The space fumigated was 
- about 2,000,000 of cubic feet, and the surface of the walls, 
aa and platforms, about 1,200,000 square feet, mostly in 
one and brick, and chiefly plastered with lime —Quarterly 
fees of Science, Now 35. 
ee The Polytechnic Institute of Vienna was Spent in 1815 
the munificence o lit witha capi- 
i be a million of ogee This pect iestblshmentis a is at 
once an io ak in which a corps of pup 
ceive the best instruction, in ge the ‘fae of arts, puke 
and commerce, in order to practise their knowledge after- 
wards in workshops and manufactories; a a in 
of all the arts 5 and a society for the encouragement of ere 
: ich proposes and distributes prizes and re- 
maintains with the government systematic ee 
von sities subjects of monnlociinns industry. 
,wh ich: 
& pete had. aia, not oe “for elementary i in- 
struction, but for. practical courses on mechanics, architecture, 
civil and hydraulic, drawing of machines, chemistry applied 
to the arts, natural philosophy, &c. Examinations and pub- 
