Universal Science Or the Cabinet of Nature and Art, Comprising Above One Thousand Entertaining and Instructive Facts and Experiments, Volume 1G. et W.B. Whittaker, 1821 - Natural history |
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Page xi
... METALS . Purification of Gold by Antimony . II . Parting Parting Gold from Silver by Nitric Acid . Parting Gold from Silver by Cementation . Parting Gold from Silver in the dry Way Refining Silver by Nitre ... Separating Silver from ...
... METALS . Purification of Gold by Antimony . II . Parting Parting Gold from Silver by Nitric Acid . Parting Gold from Silver by Cementation . Parting Gold from Silver in the dry Way Refining Silver by Nitre ... Separating Silver from ...
Page 8
... metals , among others gold . The calctuff is a chemical deposit and extends widely . It contains plants , roots , moss , bones , & c . which it has en- crusted . The clay and sand often contain petrified wood , and likewise skeletons of ...
... metals , among others gold . The calctuff is a chemical deposit and extends widely . It contains plants , roots , moss , bones , & c . which it has en- crusted . The clay and sand often contain petrified wood , and likewise skeletons of ...
Page 132
... metals . The vegetable kingdom includes all trees , shrubs , and plants , whether in the ocean , or on the land ; hence we speak of marine and terrestrial vegetables . The Animal kingdom contains all living creatures , as 1 . quadrupeds ...
... metals . The vegetable kingdom includes all trees , shrubs , and plants , whether in the ocean , or on the land ; hence we speak of marine and terrestrial vegetables . The Animal kingdom contains all living creatures , as 1 . quadrupeds ...
Page 134
... METALS . 108. REFINING implies the purification of some substance . As we use the term it signifies the separa- tion of gold , silver , and copper , from each other , and obtaining each metal in its pure state . SECTION 1 . CUPELLATION ...
... METALS . 108. REFINING implies the purification of some substance . As we use the term it signifies the separa- tion of gold , silver , and copper , from each other , and obtaining each metal in its pure state . SECTION 1 . CUPELLATION ...
Page 135
... metal , and by preventing the access of air , prevent the oxydation of the remaining imperfect metals , such vessels ... metal during the operation . A crust , or dark coloured pellicle is continually forming upon the surface . When all ...
... metal , and by preventing the access of air , prevent the oxydation of the remaining imperfect metals , such vessels ... metal during the operation . A crust , or dark coloured pellicle is continually forming upon the surface . When all ...
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Other editions - View all
Universal Science Or the Cabinet of Nature and Art, Comprising Above One ... No preview available - 2020 |
Universal Science Or the Cabinet of Nature and Art, Comprising Above One ... No preview available - 2020 |
Common terms and phrases
acid amphibia animal appearance arms atmosphere axis body bones called cartilage centre Chantonnay Chassigny clouds colour consists continued copper coral Cotopaxi covered crater crucible crystals cupellation degree deposited diameter distance earth earthquake ecliptic equal equator eruption fall feet fire fish force formed four globe gold gravity head heat height hundred inches inhabitants insects island Julian period La Guayra land latitude lava length light mass means meridian metal miles minutes months moon motion mountains move muriatic acid nature nearly nitric acid observed ocean orbit ossific passed petrifactions pistils planet poles polype produced quadrupeds quantity rain rays revolution rivers rocks round salt seen shell ship side silver snow sometimes species stamens stars stone strata stratum substance sulphur supposed surface thrown tion Torre del Greco trees Uranus vapour vegetables velocity vessels violent volcano wind wood yards
Popular passages
Page 168 - A bird's nest. Mark it well ! — within, without ; No tool had he that wrought — no knife to cut, No nail to fix — no bodkin to insert — No glue to join ; his little beak was all. And yet how neatly finished ! What nice hand. With every implement and means of art, And twenty years...
Page 159 - See, thro' this air, this ocean, and this earth, All matter quick, and bursting into birth. Above, how high progressive life may go! Around, how wide! how deep extend below! Vast chain of being! which from God began, Natures...
Page 172 - ... sight betwixt each wide extreme, the mole's dim curtain, and the lynx's beam ; of smell, the headlong lioness between, and hound sagacious on the tainted green ; of hearing, from the life that fills the flood, to that which warbles through the vernal wood...
Page 172 - What modes of sight betwixt each wide extreme, The mole's dim curtain, and the lynx's beam ; Of smell, the headlong lioness between, And hound sagacious on the tainted green ; Of hearing, from the life that fills the flood, To that which warbles through the vernal wood!
Page 145 - But who can paint Like Nature? Can imagination boast, Amid its gay creation, hues like hers ? Or can it mix them with that matchless skill, And lose them in each other, as appears In every bud that blows...
Page 190 - Like leaves on trees the race of man is found, Now green in youth, now withering on the ground; Another race the following spring supplies; They fall successive, and successive rise : So generations in their course decay; So flourish these, when those are pass'd away.
Page 259 - To every action there is always opposed an equal reaction: or, the mutual actions of two bodies upon each other are always equal and directed to contrary pans.
Page 173 - Fierce Winter sweeps them from the face of day. Even so luxurious men, unheeding, pass An idle summer life in fortune's shine, A season's glitter ! Thus they flutter on From toy to toy, from vanity to vice; Till, blown away by death, oblivion comes Behind, and strikes them from the book of life.
Page 41 - ... the preceding January or February a volcano had burst out within the sea near St. Michael's, we immediately concluded that the smoke we saw proceeded from that cause, and, on our anchoring the next morning in the road of Ponta del Gada, we found this conjecture correct as to the cause, but not to the time ; the eruption of January having totally subsided, and the present one having only burst forth two days prior to our approach, and about three miles distant from the one before alluded to.
Page 27 - ... and of longer continuance than that heard within the tropics in time of storms. This noise preceded a perpendicular motion of three or four seconds, followed by an undulatory movement somewhat longer. The shocks were in opposite directions, from north to south, and from east to west.