entonnoirs
Entonnoirs are conical vessels with a wide mouth and a narrow spout used to channel liquids or powders into containers with small openings, reducing spills and enabling controlled pouring. They come in a variety of sizes and forms, including straight funnels, long-stemmed laboratory funnels, and filter funnels that hold papers or membranes. Materials range from stainless steel, brass, and glass to plastics such as polyethylene and polypropylene; some are heat resistant or chemically inert for laboratory or industrial use.
In household and professional settings, entonnoirs are used to transfer liquids such as oil, syrup, or cleaners;
Historically, funnels have appeared in many cultures, with forms made from ceramic, metal, or glass, evolving