This has been stored for 80 years and looks like it was made yesturday. It was never gooked up. The rubber baffles are perfect like new. The Mckesson Model J Nitrous Oxide Dental Regulator is a vintage piece from the 1930′s. This specialized equipment is designed for use in dental offices to regulate the flow of nitrous oxide during procedures. The Mckesson brand is known for producing high-quality medical equipment, making this regulator a valuable and collectible piece for those interested in vintage dental tools.
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