Technograph volume 69 1953 1954
Technograph volume 69 1953 1954
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In our eReader you can find the full English version of the book. Read Technograph volume 69 1953 1954 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 Technograph volume 69 1953 1954
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19, 2(10 cycles is beyond the hearing range but not so high that the air would absorb the waves.
The principle of the new system, mag- iietstriction, has been known to science tor many years, but until recently it was regarded as a laboratory curiosity. With the development of magnetostrictive os- cillators, new fields of study were open- ed to science. A number of metals have this magnetostrictive property that util- izes an alternating magnetic field to get contraction and elongation. Few of ...them have it to any commercially valuable ex- tent. Most widely used is nickel because it has a combination of several essential properties. This is the principle on which Mr. Bagno began his work in 1941. He discovered that a wave could be made to bounce off a wall and cast an inaudible echo from any moving ob- ject.
At first, Mr. Bagno's source of ultra- sonic waves was a piezo-electric crystal. Later he decided to try nickel. He said that he changed to nickel instead of crystals "because of its more suitable low impedance value, both electrically and mechanically.
What to read after Technograph volume 69 1953 1954?
You can find similar books in the "Read Also" column, or choose other free books by George B George Brainard Blodgette to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
19, 2(10 cycles is beyond the hearing range but not so high that the air would absorb the waves.
The principle of the new system, mag- iietstriction, has been known to science tor many years, but until recently it was regarded as a laboratory curiosity. With the development of magnetostrictive os- cillators, new fields of study were open- ed to science. A number of metals have this magnetostrictive property that util- izes an alternating magnetic field to get contraction and elongation. Few of ...them have it to any commercially valuable ex- tent. Most widely used is nickel because it has a combination of several essential properties. This is the principle on which Mr. Bagno began his work in 1941. He discovered that a wave could be made to bounce off a wall and cast an inaudible echo from any moving ob- ject.
At first, Mr. Bagno's source of ultra- sonic waves was a piezo-electric crystal. Later he decided to try nickel. He said that he changed to nickel instead of crystals "because of its more suitable low impedance value, both electrically and mechanically.
What to read after Technograph volume 69 1953 1954?
You can find similar books in the "Read Also" column, or choose other free books by George B George Brainard Blodgette to read onlineMoreLess
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