of silver. Aldehyde and grape sugar have a similar power. With porous vessels, this condition can be most readily established, and most beautifully so by the action of charcoal. By putting a piece of freshly-burnt charcoal into a solution of nitrate of... Transactions of the Royal Geological Society of Cornwall - Pagina 25 door Royal Geological Society of Cornwall - 1875 Volledige weergave -
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