PATENT OF FILTERING APPARATUS (1936)
£3.50
SKU GCA6-PTT158
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
- Biodegradable packaging
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