The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General Literature, 10. köideThomas Spencer Baynes C. Scribner's Sons, 1879 |
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Page 25
... iron ore is poor , containing only 10 or 11 per cent . of metal ; and in 1873 the out - put did not exceed 108,546 cwt . Salt is procured both from mines and from salt - springs in sufficient abundance to make it an article of export to ...
... iron ore is poor , containing only 10 or 11 per cent . of metal ; and in 1873 the out - put did not exceed 108,546 cwt . Salt is procured both from mines and from salt - springs in sufficient abundance to make it an article of export to ...
Page 49
... iron , though this is for most purposes a needless refinement . Great care should be taken that the wire is dry when it is wound . It is usual , in order to secure and render perman- ent the insulation , to steep the whole coil in ...
... iron , though this is for most purposes a needless refinement . Great care should be taken that the wire is dry when it is wound . It is usual , in order to secure and render perman- ent the insulation , to steep the whole coil in ...
Page 52
... iron , which completely encloses the whole , leaving only a small window for the ingress and egress of the ray of light by means of which the motions of the mirror are read ; a flat horse - shoe magnet placed on the top of the case ...
... iron , which completely encloses the whole , leaving only a small window for the ingress and egress of the ray of light by means of which the motions of the mirror are read ; a flat horse - shoe magnet placed on the top of the case ...
Page 81
... iron , until a series of encroachments by them on British territory , led to the war with Nepál in 1814. At the ... iron garnets . It has been shown by Professor Church that , although unaffected by exposure to a full red heat for a ...
... iron , until a series of encroachments by them on British territory , led to the war with Nepál in 1814. At the ... iron garnets . It has been shown by Professor Church that , although unaffected by exposure to a full red heat for a ...
Page 82
... iron , and chrome garnets , which have the general formula R " Al.Si3O12 , R " Fe , .SigO129 and R " Cr.SiO12 , respectively . These are further classed , by the predominance of one or other of their contained pro- GARNIER , GERMAIN ...
... iron , and chrome garnets , which have the general formula R " Al.Si3O12 , R " Fe , .SigO129 and R " Cr.SiO12 , respectively . These are further classed , by the predominance of one or other of their contained pro- GARNIER , GERMAIN ...
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abundant acid ancient angle appear augite axis basalt beds carbonic carbonic acid centre century character chemical coal coast cone consists contains crust crystalline crystals deposit distance district earth equator eruption existence feet felspar fissures formations fossils Gaelic Galatia gallic acid galls galvanometer Gaur gelatin gems geological globe gneiss granite Greek heat hornblende igneous igneous rocks important iron islands known lake land latitude lava less lime limestone longitude mass materials meridian metamorphic miles mineral mountain observed obtained occur ocean organic original orthoclase parallel Paris passing period plane portion present pressure produced quartz regions remains rise river rocks Roman round sand sandstone schists Scotland sediment shales side siliceous Silurian sometimes species specific gravity square miles stones strata stream structure substance surface temperature thickness tion town traced upper vapour vertical volcanic voyage whole