This color illustrated postcard advertises L'Uretina Maggioni, a condensate of formaldehyde and ammonia. The postcard shows two silver tanks against a blue background, one holding formaldehyde (aldeide formica) and the other ammonia (ammoniaca). They flank a decorative red urn on a gold pedestal. Sprays from each tank meet in a cloud above the urn, and droplets are falling into the urn.
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