Editore: Forgotten Books
Formato: PDF
Testo in en
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Compatibilità: Tutti i dispositivi (eccetto Kindle) Scopri di più
Dimensioni: 3,01 MB
  • EAN: 9780243787807
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We may be permitted to express the hope that many of our readers will examine for themselves these beautiful productions of nature. In our own climate, the treasures of the snow are Open to all who choose to explore them; and there can scarcely be an amusement more entertaining, and at the same time instructive, than that of observing and sketching these delicate crystals. N o expensive or complicated apparatus is needed for this purpose. A good microscope is the chief requisite; besides which, a pair of dividers and a rule will be sufficient. We subjoin a state ment from Mr. Glaisher of his own mode of making his examinations.