length and extends about 300 feet. The masonry has now been completed radio-micrometer, bolometer, or thermopile. In July, to within 200 feet on the north Side of the valley, where to slightly above the level of the new bed, the amount 1898, Nichols was invited to test his instrument at the it… … was carried by cars and deflection of 0°60 mm. dumped above and be- Vega gave a mean de- low the dam in the em- flection of 0°27 mm. Al- bankments which will though the quantitative be noticed in our engravings. The width of the trench value of these results is not insisted upon, the author eubic…
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