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Who says nobody does anything about the weather? Danny Dunn does! Of course if there hadn't been a drought when Danny went to the weather bureau to return a radiosonde, just maybe nothing would have happened. But has there ever been a time when Danny could contain his curiosity? Danny is naturally attracted to all the weather-forecasting instruments and decides to do some volunteer weather-observing. And when Danny and his friends Joe Pearson and Irene Miller discover that Professor Bullfinch has a new ionic transmitter that makes little clouds and miniature rainstorms, trouble is sure to follow! |
Machine-Building Automation. Автоматизация машиностроения. Учебное пособие
Автор: Коллектив авторов
Год издания:
The Cleverdale Mystery: or, The Machine and Its Wheels: A Story of American Life
Автор: Wilkins W. A.
Год издания: