File:Photometer devised by Beer.jpg
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Photometer_devised_by_Beer.jpg (475 × 240 pixels, file size: 26 KB, MIME type: image/jpeg)
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| Description |
English: Light from the lamp at the right-hand side passes through an absorption cell, whereas the lamp at the left-hand side is a reference source. The photometer is adjusted so that the observed intensities from the two light sources are equal. |
| Date | |
| Source |
Original publication: 1855 |
| Author |
August Beer |
|
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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:18, 6 February 2013 | | 475 × 240 (26 KB) | Nbenway (talk | contribs) | {{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|Light from the lamp at the right-hand side passes through an absorption cell, whereas the lamp at the left-hand side is a reference source. The photometer is adjusted so that t... |
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