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Paragon X-ray pointers : a complete textbook on radiography with Paragon X-ray plates (1915)
George W. Brady & Co. (Chicago, Ill.) · Chicago, Ill. : George W. Brady & Co · leaf 17
LCWWi-TVIGE STEP-UP TRANSFORMER … SYNCHRONOUS MOTOR HIGH VOLTAGE D.C> Page 8Radiography · X-rays
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
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