PATENT OF FILTERING APPARATUS 1936 Greeting Card

Text on the reverse side: This invention enables the support of a funnel to in conjunction with one or several receptacles, such as test tubes or the like, in order that a single funnel can serve liquid to a plurality of receptacles or test tubes without the necessity of shifting the funnel supporting device. * A6 size (148mm x 105mm) * Luxury pearlescent eco-certified paper * Produced in our London studio * Trivia fact on the reverse * GS1 barcode for POS * Biodegradable cello bag (unwrapped option available)