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Edrie Dale Trout
1901
An x-ray machine simulator [developed for use in the X-Ray Science and Engineering Laboratory at Oregon State University]
Teaching X-ray unit
X-ray fluoroscopic screens
![An x-ray machine simulator [developed for use in the X-Ray Science and Engineering Laboratory at Oregon State University]](https://s3.amazonaws.com/readfeedstatic/book_covers/thumbnails/rf-placeholder.png)