File:January 1916 QST Operating Room and Power Supply of Mr. Ross Guss, Oberlin, Ohio.png
![File:January 1916 QST Operating Room and Power Supply of Mr. Ross Guss, Oberlin, Ohio.png](https://upload.wikimedia.org/wikipedia/commons/thumb/5/56/January_1916_QST_Operating_Room_and_Power_Supply_of_Mr._Ross_Guss%2C_Oberlin%2C_Ohio.png/800px-January_1916_QST_Operating_Room_and_Power_Supply_of_Mr._Ross_Guss%2C_Oberlin%2C_Ohio.png?20090706000449)
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