FIGURE 28. FOR EVERYBODY. 47 … FIGURE 29 48 SOMETHING ABOUT X RAYS Most of the pictures for this book weretaken by Mr. George Newcomb of Salem,Mass., who has fitted up a laboratory especiallyfor this business, and is now doing all the CityHospital work. The author takes pleasure inrecommending both him and his work to any-body…
X-rays · Fluorescence
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