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| Title | Photograph of filter photometer |
| Description/Note | The apparatus is shown with absorption cell in position in the optical path. When not in use, the cell is stored in the lower compartment of the case. In addition to the above apparatus, a six volt storage battery is required to supply power for heaters and lamp. |
| Subject | Photometer
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| Item Number | The Pauling Catalogue: Sci. 13.006.2 |
| Object Type | Image |
| Material Format | image/jpeg |
| Transmission Data | Master scanned with Epson 1640XL scanner at 600 dpi. Image manipulated with Adobe Photoshop 7.0. |
| Collection Series | Pictures and Illustrations
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| Copyright | Permission to use must be obtained from OSU Special Collections: http://osulibrary.oregonstate.edu/specialcollections/copyright.html |
