A tag reads “Dental X-Ray Equipment / Manufactured by / Ritter Dental Mfg. Co. Inc. / Rochester, NY / Serial No. 6321.” A plate on the transformer reads “Dental X-Ray Transformer / Manufactured by / ...
One inscription on this X-ray machine reads “The Engeln Electric / Company / X-Ray Apparatus / Cleveland OH / No. D346.” Another reads “Dental X-Ray Transformer / Type K902(?) / General Electric ...
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