Tested and working. Minor cosmetic wear, see photos. Larger 4 tube model. Very hard to find. Approx 18\" long, and 7\" tall. Super heavy, super fragile. Will be packed with care. Lights up blue and red when plugged in (and dark(
Electrotherapy Machine Description steel; glass; cork; ceramic; chrome; electrical; brown, painted, finish; two, handles; cord; plug INSCRIPTION:\"Atmoray Ozone Generator Use AC current only 115 volts 25 watts 60 cycle 3922 N. Williams Ave. Portland, Oregon Model 8\"
Estimated date of manufacture: circa 1925
The unit works thus: each tube only has one electrode (power connection) and carries only one side of the circuit. The circuit completes by jumping the air gaps between the tubes, making ozone and a delightfully sinister and subtle crackling noise!Most ozone generators from the 50s and 60s use either two electrically-charged plates or one or two ultraviolet bulbs and a fan. This one has no fan; Atmoray brochures showed it mounted to the ceiling above a store\'s produce dept., so the ozone will simply flow down from the machine (and as anyone with experience with ozone generators know: highly dangerous when used in a room with people in it)! Once touted as a \"cure-all\" for a variety of aches, pains and psychological issues, now a perfect collectible or functioning ozone generator!
Per the FTC, 1943
\"Atmoray, Inc., and Atmozone, Inc., Portland, Oreg.--Engaged in the manufacture and sale of a medical device known as “Atmoray,” an ozone generator intended for use in the treatment of various ailments and diseases of the body, the respondents were ordered to cease and desist from representing that the device, or the quantity of ozone produced by it, is an effective oxidizing, germicidal or disinfecting agent, or possesses any therapeutic value in the treatment of head colds, tuberculosis, arthritis or other diseases or disorders of the body. The order further directed the respondents to cease disseminating advertisements which fail to reveal, among other things, that the safety of the device depends upon its oxygen output, the size and ventilation of the room in which it is used, and the length of time it is operated, and that the inhalation of an excessive amount of oxygen may irritate the respiratory organs (4630).\"

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