An unusual and super quirky little advertising item made by Merck and Co. Advertising the drug Diurexan A drug first developed to treat high blood pressure, this cool little item can be turned upside down to move the air bubble up and down. Made of resin. It measures 8cm H x 6cm W x 2.4cm deep. Some minor surface marks but overall good vintage condition. Perfect little desk top item or display piece. Exactly as shown in the pictures. Listed elsewhere. Reasonable offers will be considered.
