Plants, the earth & minerals1866 |
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Página 57
... gutta - percha . The gum most in demand is gum arabic , the chief supplies of which are yielded by India , Egypt , America , and South Africa . Its place , has been supplied , for many purposes , especially for calico - printers by the ...
... gutta - percha . The gum most in demand is gum arabic , the chief supplies of which are yielded by India , Egypt , America , and South Africa . Its place , has been supplied , for many purposes , especially for calico - printers by the ...
Página 59
... GUTTA PERCHA to the arts immediately followed the discovery of the substance . In 1842 , Dr. Montgomerie was observing a wood - cutter at Singapore at his ordinary labour . Look- ing at the man's axe he saw that the handle was not of ...
... GUTTA PERCHA to the arts immediately followed the discovery of the substance . In 1842 , Dr. Montgomerie was observing a wood - cutter at Singapore at his ordinary labour . Look- ing at the man's axe he saw that the handle was not of ...
Página 136
... gutta - percha , and other gums , and further purified and deprived of its smell , it becomes the benzine collas used as a valuable detergent of grease in wearing - apparel , & c . Two substances pass over from the tar with the naphtha ...
... gutta - percha , and other gums , and further purified and deprived of its smell , it becomes the benzine collas used as a valuable detergent of grease in wearing - apparel , & c . Two substances pass over from the tar with the naphtha ...
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