1. The pressure wave was recorded on barographs all over the world. 2. This is notable as the first accurate recording barograph . 3. Various other types of barograph have also been invented. 4. The pressure wave from the final explosion was recorded on barographs around the world. 5. In such barographs one or more cylindrical drum which is rotated slowly by clockwork. 6. These included 28 barographs as well as trophies. 7. In the case of the graph on the barograph , one of two codes could be picked. 8. These air waves circled the globe several times and were still detectable on barographs five days later. 9. The most common weather Barograph found in homes and public buildings these days are the 8-day type. 10. Some important manufacturers of Barographs are Negretti and Zambra, Short and Mason, and Richard Ferris among others.
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