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In <~rdcr to bc szzcc~-ssfi:llv :>cd f~,r the produckio:i of ;:rtificia] sill:, it is found that the collodion must be :dlow, d t(~ ~'age'' for accrtain period of time, Jhe rca~on of whi,.'h has m)t lmcn defimtcly s:'~tX'd ; ]:o~x::vcr, it is certain that the c<,llo:lion, o:~ b:iH~4 alh>wc, l to staml, undergoes ce~ tain l:iodit:-cath>na by v, hi::h it is t)(t{lcr litlcd for the purpose. It is Ih:::J~ r::n into cyliaders, wl!ic!/l/;tvc ca!>ill:~r 3 ho!csin thellottom, and ttl(:eollodi(>uis forced out of rhea( l:ol::s nHdcr a !)l'essurc of forty to fifty atmospheres. It. co:lies out ill the form of while cylindrical filaments; these are united to forlll threads, which are put lip ill skeh:s and all traces of alcohol or watt:r whic.l: they may COllLa[ll are rclllo,c(1.
Ill this sta:e, however, the threads are (xtrem(ly iufl'tlllllhq.l}le, partaking of the ~:ature of guueotton, alld to remove this dili'~enlty
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