Hundreds of Things a Boy Can Make a Hobby book for Boys of All Ages
Hundreds of Things a Boy Can Make a Hobby book for Boys of All Ages
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In our eReader you can find the full English version of the book. Read Hundreds of Things a Boy Can Make a Hobby book for Boys of All Ages 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 Hundreds of Things a Boy Can Make a Hobby book for Boys of All Ages
What reading level is Hundreds of Things a Boy Can Make a Hobby book for Boys of All Ages book?
To quickly assess the difficulty of the text, read a short excerpt:
If the fitting of the jar, the funnel, or the tubing, has not been done perfectly, run sealing wax round the joins in order to make them air-tight.
When all is ready, place your finger over the outside end of the elbow joint of glass, and then fill the funnel with water. Nothing happens. The water stays in the funnel. Now, take your finger away from the glass tube, and immediately the water rushes from the funnel down into the jar. Why ? In the first case, the jar was filled with air and its pr...essure kept the water high up in the funnel, but the moment your finger was taken away, the water pushed the air out of the jar, up through the tube and into the room. This is, of course, a little experi- ment to prove that air exerts a constant pressure.
AN ELECTRIC BELL The making of an electric bell from odd pieces of metal, wood and other substances is not an exceedingly difficult matter. Any mechanically minded boy can do it with a little care, if he will study the accompanying diagram and follow the explanation of how the bell works.
What to read after Hundreds of Things a Boy Can Make a Hobby book for Boys of All Ages?
You can find similar books in the "Read Also" column, or choose other free books by Kaiserlich Deutsches Archologisches Institut to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
If the fitting of the jar, the funnel, or the tubing, has not been done perfectly, run sealing wax round the joins in order to make them air-tight.
When all is ready, place your finger over the outside end of the elbow joint of glass, and then fill the funnel with water. Nothing happens. The water stays in the funnel. Now, take your finger away from the glass tube, and immediately the water rushes from the funnel down into the jar. Why ? In the first case, the jar was filled with air and its pr...essure kept the water high up in the funnel, but the moment your finger was taken away, the water pushed the air out of the jar, up through the tube and into the room. This is, of course, a little experi- ment to prove that air exerts a constant pressure.
AN ELECTRIC BELL The making of an electric bell from odd pieces of metal, wood and other substances is not an exceedingly difficult matter. Any mechanically minded boy can do it with a little care, if he will study the accompanying diagram and follow the explanation of how the bell works.
What to read after Hundreds of Things a Boy Can Make a Hobby book for Boys of All Ages?
You can find similar books in the "Read Also" column, or choose other free books by Kaiserlich Deutsches Archologisches Institut to read onlineMoreLess
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