Plants, the earth & minerals1866 |
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Página 58
... naphtha , renders it very valuable in the arts , and its appli- cations have become extremely numerous . The great improvement in the texture and qualities of caoutchouc , by which its applicability to different purposes has been ...
... naphtha , renders it very valuable in the arts , and its appli- cations have become extremely numerous . The great improvement in the texture and qualities of caoutchouc , by which its applicability to different purposes has been ...
Página 119
... NAPHTHA , PETROLEUM , MINERAL PITCH , and ELASTIC BITUMEN . All these substances are exceedingly inflammable . AMBER is supposed to be a vegetable resin solidified and mineralized . It is chiefly used for necklaces , ear - drops , and ...
... NAPHTHA , PETROLEUM , MINERAL PITCH , and ELASTIC BITUMEN . All these substances are exceedingly inflammable . AMBER is supposed to be a vegetable resin solidified and mineralized . It is chiefly used for necklaces , ear - drops , and ...
Página 136
... naphtha is again distilled or rectified till it becomes perfectly pure . In this state naphtha is used for lamps , and if the lamp be so constructed as to allow of its actual combustion , the light emitted is probably greater than from ...
... naphtha is again distilled or rectified till it becomes perfectly pure . In this state naphtha is used for lamps , and if the lamp be so constructed as to allow of its actual combustion , the light emitted is probably greater than from ...
Términos y frases comunes
abundant acid Acrogens Africa alumina America Ammonite animal atmosphere bark beautiful beds belemnites bread-plants called carbon carbonic acid cells Ceylon chiefly clay climate coal cocoa cocoa-nut colour contains copper countries crystals cultivated Cyclopteris deep diamond earth employed Europe Exogens extensive feet fibre flowers fluid forests fossil fruit fusel oil garden Glyptodon gold greywacke ground grow GUTTA PERCHA heat Ichthyosaurus important India iron islands kinds land leaves Lepidodendron lime limestone maize manufacture manure medicine Megatherium metals mineral mountains naphtha native natural numerous nutrition o'er obtained ocean ornamental palm peculiar plantain plants plesiosaur produce purposes quantity resins rivers rocks roots sand sandstone seeds shells silica soft South South America species Sphenopteris spring starch stem stone strata substance sulphur sulphuric acid supply surface Teleosaurus thickness thou timber trees tropical varieties various vegetable weather wind wood yields