Gateways of Knowledge An Introduction to the Study of the Senses
Gateways of Knowledge An Introduction to the Study of the Senses
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In our eReader you can find the full English version of the book. Read Gateways of Knowledge An Introduction to the Study of the Senses Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Gateways of Knowledge An Introduction to the Study of the Senses
What reading level is Gateways of Knowledge An Introduction to the Study of the Senses book?
To quickly assess the difficulty of the text, read a short excerpt:
Notice the way the sound appears. How do you suppose it reaches the internal ear?
3. Close the ears as before and take a pencil between your teeth. Press the end of the pencil on a watch and see whether you can hear the ticking.
4. Spread a piece of thick cloth on the bench and clamp a metre rule vertically beside it. Test your acuteness of hearing by sitting 5 feet away and getting someone to drop a pin on to the cloth from various gradually increasing heights until you just hear the faint thu...d that the pin makes on striking the cloth.
5. Hold a watch exactly one metre from the ear. Then suddenly move it 2 cm. Further away. Notice if the ticking seems fainter. Replace it and take it suddenly 4 cm. Further away. Repeat until a distance is reached which just makes the ticking fainter. In this way compare the power of distinguishing loudness of sounds possessed by various people.
6. Make for yourself from a sycamore twig a whistle of variable note. The bark is loosened by hammering it. The wood inside becomes the moving plunger.
What to read after Gateways of Knowledge An Introduction to the Study of the Senses?
You can find similar books in the "Read Also" column, or choose other free books by John Alexander Dell to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Notice the way the sound appears. How do you suppose it reaches the internal ear?
3. Close the ears as before and take a pencil between your teeth. Press the end of the pencil on a watch and see whether you can hear the ticking.
4. Spread a piece of thick cloth on the bench and clamp a metre rule vertically beside it. Test your acuteness of hearing by sitting 5 feet away and getting someone to drop a pin on to the cloth from various gradually increasing heights until you just hear the faint thu...d that the pin makes on striking the cloth.
5. Hold a watch exactly one metre from the ear. Then suddenly move it 2 cm. Further away. Notice if the ticking seems fainter. Replace it and take it suddenly 4 cm. Further away. Repeat until a distance is reached which just makes the ticking fainter. In this way compare the power of distinguishing loudness of sounds possessed by various people.
6. Make for yourself from a sycamore twig a whistle of variable note. The bark is loosened by hammering it. The wood inside becomes the moving plunger.
What to read after Gateways of Knowledge An Introduction to the Study of the Senses?
You can find similar books in the "Read Also" column, or choose other free books by John Alexander Dell to read onlineMoreLess
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