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Article SCIENTIFIC INTELLIGENCE. ← Page 4 of 4
Note: This text has been automatically extracted via Optical Character Recognition (OCR) software.
Scientific Intelligence.
DYING . Bv -P icctinte application of chemical knowledge to the art of dying . S ? S ^^^ Kl ^ cbS . iit lias & able aW all to g ive to colours soft and velvety which "' Vt
his a appearance , ^ h f d feent when that oxyde is employed alone . lie has ex . > lined the o . lteent meth , ds of combining that oxyde with the red ^^" ' . ^^ jSl colour , andhas reduc . i to « " ^ Pn- | £ , ^ , ^ tfht ^ U ^ rtA « tXr « n bc substituted for gall-nuts in dying cotton .
STEEL . C . T . ZF . K CLOUET , a member of the French National Institute , J ™ £ ™| k to perfe ction the art of converting non into cast stee Th ... the no e v-i ' iable to the arts that require cast steel , as it may be pioduced wit h out cemSation or natural steel . ' in every p lace where there is good iron , a m . xtuie of alumine and siliceous earth and chalk .
VEGETATION . MR . H UMBOLDT discovered , in , j , thatysimple metallic substances ar = unfivourabU-to the germination of p lants , and that metallic oxyde huo in . ^ portion to thlird-gree of oxydation . This d » covery mduc ^ h , n o e rch for a substance w . th which oxygen nngl . tbe so we . ^ ky _ comb > ned as ' ' watcr at the end of 3 hour . Theaflu-n
Z * l J / of ixtom'slid in c ^ n ^ n . o iheVt iiuid on the vegetable fibres is announced by - « io , nio s , u . n . ty of air bubbles which cover ( he seeds , a p henomenon not exmbitc . l b > w- « ei Si " Send of from 30 to 45 nrir . mc They were mace at a - ^ of from . 2 to 15 Reaumur , in the summer o 1 79 *> ¦ Humboli . l beg . in a new
sr ^ srs . ^ WK = 3 ^ r ^
txaid S ^ oxygenated ; l ; " ^ muriatic s acid ar a temperature ot 88 oeg . j . ^ - - --fe Lw k ind ^ offi Staken M from Bocconi ^' s collection of dried plants no r
' y < L j „ and VanderSchott at Vienna threw intooxygenated muri ' ri c d all iS seeds which had been kept So or 30 years at the botan ^ j Jarde every attempt to produce vegetation in which had been fu . tK ' ,, a , d fite greater Jart of them were stimulated with success . Even the haid ^ t seeds y ielded to tins agent . GARDEN SLUGS AltE destroyed by using water impregnated with coal-tar .
Note: This text has been automatically extracted via Optical Character Recognition (OCR) software.
Scientific Intelligence.
DYING . Bv -P icctinte application of chemical knowledge to the art of dying . S ? S ^^^ Kl ^ cbS . iit lias & able aW all to g ive to colours soft and velvety which "' Vt
his a appearance , ^ h f d feent when that oxyde is employed alone . lie has ex . > lined the o . lteent meth , ds of combining that oxyde with the red ^^" ' . ^^ jSl colour , andhas reduc . i to « " ^ Pn- | £ , ^ , ^ tfht ^ U ^ rtA « tXr « n bc substituted for gall-nuts in dying cotton .
STEEL . C . T . ZF . K CLOUET , a member of the French National Institute , J ™ £ ™| k to perfe ction the art of converting non into cast stee Th ... the no e v-i ' iable to the arts that require cast steel , as it may be pioduced wit h out cemSation or natural steel . ' in every p lace where there is good iron , a m . xtuie of alumine and siliceous earth and chalk .
VEGETATION . MR . H UMBOLDT discovered , in , j , thatysimple metallic substances ar = unfivourabU-to the germination of p lants , and that metallic oxyde huo in . ^ portion to thlird-gree of oxydation . This d » covery mduc ^ h , n o e rch for a substance w . th which oxygen nngl . tbe so we . ^ ky _ comb > ned as ' ' watcr at the end of 3 hour . Theaflu-n
Z * l J / of ixtom'slid in c ^ n ^ n . o iheVt iiuid on the vegetable fibres is announced by - « io , nio s , u . n . ty of air bubbles which cover ( he seeds , a p henomenon not exmbitc . l b > w- « ei Si " Send of from 30 to 45 nrir . mc They were mace at a - ^ of from . 2 to 15 Reaumur , in the summer o 1 79 *> ¦ Humboli . l beg . in a new
sr ^ srs . ^ WK = 3 ^ r ^
txaid S ^ oxygenated ; l ; " ^ muriatic s acid ar a temperature ot 88 oeg . j . ^ - - --fe Lw k ind ^ offi Staken M from Bocconi ^' s collection of dried plants no r
' y < L j „ and VanderSchott at Vienna threw intooxygenated muri ' ri c d all iS seeds which had been kept So or 30 years at the botan ^ j Jarde every attempt to produce vegetation in which had been fu . tK ' ,, a , d fite greater Jart of them were stimulated with success . Even the haid ^ t seeds y ielded to tins agent . GARDEN SLUGS AltE destroyed by using water impregnated with coal-tar .