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Books Bücher 1 - 10 von 13 in Each v.*as immersed for half an hour in the boiling solution of sulphate of soda,...
" Each v.*as immersed for half an hour in the boiling solution of sulphate of soda, and then hung up to dry, this performance being repeated daily throughout the four weeks which the experiment lasted. Although as above noted this process is practically... "
...The Physical, Chemical and Economic Properties of Building Stones - Seite 105
von George Perkins Merrill - 1898 - 123 Seiten
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The Collection of Building and Ornamental Stones in the U.S. National Museum ...

George Perkins Merrill - 1889 - 372 Seiten
...the Smithsonian Institution Building at Washington. , The results are given in the following table.t The specimens operated upon, it should be stated,...throughout the four weeks which the experiment lasted. The injurious effects of artificial heat, such as is produced by a burning building, are, of course,...
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Report of the National Museum

United States National Museum - 1889
...the Smithsonian Institution Building at Washington. The results are given in the following table.! The specimens operated upon, it should be stated,...throughout the four weeks which the experiment lasted. The injurious enacts of artificial heat, such as is produced by a burning building, are, of course,...
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Annual Report of the Board of Regents of the Smithsonian Institution

Smithsonian Institution. Board of Regents - 1889
...18.60 1.58 1.7^ 5. 0.-> U. 35 0.28 o. :<5 1C. 46 1.07 U. ill The specimens operated upon, it should bo stated, were cut in the form of inch cubes. Each was...throughout the four weeks which the experiment lasted. The injurious effects of artificial heat, such as is produced by a burning building, are, of course,...
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Stones for Building and Decoration

George Perkins Merrill - 1891 - 453 Seiten
...0.50 0.34 14.36 24.93 0.70 1. 7 3 l.jS 0.62 2.16 5.60 I8.6o 1.58 1.72 5.05 0.35 0.28 0.35 16.46 1.07 0.91 The specimens operated upon, it should be stated,...productive of certain results which are well worth a moment's consideration. Thus the red sandstone from Seneca Creek, Maryland, with a specific gravity...
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Stones for Building and Decoration, Band 25

George Perkins Merrill - 1891 - 453 Seiten
...O.50 o.3J 14.36 24-93 0.70 1.73 1.58 0.62 9.16 5.60 18.60 1.58 1-7* 5.0$ 0.35 o.«8 0.35 16.46 1.07 0.91 The specimens operated upon, it should be stated,...the series of tests given was productive of certain From Hints on Public Architecture, by Robert Dale Owen, p. 119.'' results which are well worth a moment's...
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Stones for Building and Decoration, Band 25

George Perkins Merrill - 1891 - 453 Seiten
...in the form of inch cubes. Each was immersed for half an hour in the boiling solution of sulphate-of soda, and then hung up to dry, this performance being...productive of certain results which are well worth a moment's consideration. Thus the red sandstone from Seneca Creek, Maryland, with a specific gravity...
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Stone; an Illustrated Magazine, Band 6

1893
...the Smithsonian Institution Building at Washington. The results are given in the following table. \ The specimens operated upon, it should be stated,...throughout the four weeks which the experiment lasted. The injurious effects of artificial heat, such as is produced by a burning building, are, of course,...
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Report

Maryland Geological Survey - 1898
...Hard brick , 2.294 1.07 Marble, coarse dolomite, Mount Pleasant, New York 2.860 0.91 The speciinens operated upon, it should be stated, were cut in the...productive of certain results which are well worth a moment's consideration. Thus the red sandstone from Seneca Creek, Maryland, with a specific gravity...
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Maryland Geological Survey, Band 2

Maryland Geological Survey - 1898
...0.91 The specimens operated upon, it should be stated, were cut in the form of inch cubes. Each \vas immersed for half an hour in the boiling solution...productive of certain results which are well worth a moment's consideration. Thus the red sandstone from Seneca Creek, Maryland, with a specific gravity...
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Report, Band 2

Maryland Geological Survey - 1898
...0.91 The specimens operated upon, it should be stated, were cut in the form of inch cubes. Each v.*as immersed for half an hour in the boiling solution...productive of certain results which are well worth a moment's consideration. Thus the red sandstone from Seneca Creek, Maryland,, with a specific gravity...
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