File:NSRW Evaporation - evaporator.jpg

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NSRW_Evaporation_-_evaporator.jpg ‎(467 × 308 pixels, file size: 20 KB, MIME type: image/jpeg)

Description
English: Diagram of apparatus for an evaporation experiment: If a watch-glass be placed on a cork with sulphuric ether on the glass and water underneath the glass, as shown in the figure, the water may be frozen almost immediately by simply blowing a steady stream of air over the surface of the ether. The vapor-tension of ether is high even at ordinary temperatures, so that evaporation is rapid. Since the latent heat of the vapor is derived from the heat in the ether, glass and water, the water is quickly frozen.
Date published 1914
Source The New Student's Reference Work, v. 2, 1914, p. 636.
Author Unknown authorUnknown author
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This file has been extracted from an original image in The New Student's Reference Work: File:LA2-NSRW-2-0162.jpg.

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Public domain

The author died in 1936, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 80 years or fewer.

This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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current19:57, 8 April 2015Thumbnail for version as of 19:57, 8 April 2015467 × 308 (20 KB)Library Guy{{Information |Description ={{en|1=Diagram of apparatus for an evaporation experiment: If a watch-glass be placed on a cork with sulphuric ether on the glass and water underneath the glass, as shown in the figure, the water may be frozen almost imm...

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