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Books Books 1 - 9 of 9 on What, then, was the cause of the descent ? Simply this. The lead was exposed to the....
" What, then, was the cause of the descent ? Simply this. The lead was exposed to the varying temperatures of day and night. During the day the heat imparted to it caused it to expand. Had it lain upon a horizontal surface, it would have expanded... "
The Forces of Nature: A Popular Introduction to the Study of Physical Phenomena - Page 433
by Amédée Guillemin - 1873 - 679 pages
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Heat: A Mode of Motion

John Tyndall - Heat - 1868 - 520 pages
...descent had been continually going on from the time the lead had been laid down, and an attempt made to stop it by driving nails into the rafters had failed...the lead would have rested on it for ever, without siidinrj down by gravity. What, then, was the cause of the descent ? Simply this. The lead was exposed...
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Heat a Mode of Motion

John Tyndall - 1873 - 532 pages
...descent had been continually going on from the time the lead had been laid down, and an attempt made to stop it by driving nails into the rafters had failed...roof was not a steep one, and the lead would have resjted on it forever, without sliding down by gravity. What, then, was the cause of the descent ?...
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A Mode of Motion

John Tyndall, LL.D., F.R.S., ETC. - 1881
...descent had been continually going on from the time the lead had been laid down, and an attempt made to stop it by driving nails into the rafters had failed...a steep one, and the lead would have rested on it forever, without sliding down by gravity. What, then, was the cause of the descent ? Simply this. The...
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Heat a mode of motion

John Tyndall - 1890 - 591 pages
...an attempt made to stop it by driving nails into the rafters had failed ; for the force of descent was sufficient to draw out the nails. The roof was...would have rested on it for ever, without sliding. What, then, was the cause of the descent ? Simply this. The lead was exposed to the varying temperatures...
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Domestic Sanitary Drainage and Plumbing: Lectures on Practical Sanitation ...

William R. Maguire - Drainage - 1890 - 437 pages
...eighteen inches ; the force with which it descended drew out the fastenings. The roof was not steep, and the lead would have rested on it for ever without sliding down by gravity alone. During the day, the heat caused it to expand, and, as it lay on the incline, it expanded downwards...
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Heat a mode of motion

John Tyndall - 1890 - 591 pages
...descent had been continually going on from the time the lead had been laid down, aud an attempt made to stop it by driving nails into the rafters had failed ; for the force of descent was sufficient to draw out the nails. The roof was not a steep one, and the lead would have...
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Domestic Sanitary Drainage and Plumbing: Lectures on Practical Sanitation ...

William R. Maguire - Plumbing - 1903 - 506 pages
...eighteen inches ; the force with which it descended drew out the fastenings. The roof was not steep, and the lead would have rested on it for ever without sliding down by gravity alone. During the day the heat caused it to expand, and, as it lay on the incline, it expanded downwards...
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Heat a Mode of Motion

John Tyndall - Heat - 1905 - 591 pages
...an attempt made to stop it by driving nails into the rafters had failed ; for the force of descent was sufficient to draw out the nails. The roof was...the lead would have rested on it for ever, without eliding. What, then, was the cause of the descent ? Simply this. The lead was exposed to the varying...
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Heat

James Gordon Ogden - Heat - 1911 - 111 pages
...been laid in the year 1851, and two years afterwards it had moved bodily down for a distance of 18 in. The descent had been continually going on from the...rafters had failed; for the force with which the lead had descended was sufficient to draw out the nails. The roof was not a steep one, and the lead would...
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