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  2. Funnel - Wikipedia

    en.wikipedia.org/wiki/Funnel

    A typical kitchen funnel A ceramic Roman kitchen funnel (1st–3rd century AD) A funnel is a tube or pipe that is wide at the top and narrow at the bottom, used for guiding liquid or powder into a small opening. [1] [2] Funnels are usually made of stainless steel, aluminium, glass, or plastic. The material used in its construction should be ...

  3. Laboratory funnel - Wikipedia

    en.wikipedia.org/wiki/Laboratory_funnel

    A funnel for hot filtration Two funnels, A - a simple stemmed funnel. B - a ground glass powder funnel. Plain funnels exist in various dimensions, with longer or shorter necks. Filter funnels have a neck of a thin capillary tube and ribs which increase the filter-papers' effectiveness and thus accelerate the process of filtering. [1]

  4. Bassett-Lowke - Wikipedia

    en.wikipedia.org/wiki/Bassett-Lowke

    Every class of vessel was easily recognizable by the funnels, guns and masts. While rudimentary by later standards, the B.M.C. production of over 101 different castings was the first scale metal ship model fleet ever produced and established the precedent for all subsequent scale metal waterline recognition ship models.

  5. Ear trumpet - Wikipedia

    en.wikipedia.org/wiki/Ear_trumpet

    An 18th-century drawing of ear trumpets. An ear trumpet is a tubular or funnel-shaped device which collects sound waves and leads them into the ear.They are used as hearing aids, resulting in a strengthening of the sound energy impact to the eardrum and thus improved hearing for a deaf or hard-of-hearing individual.

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  7. Separatory funnel - Wikipedia

    en.wikipedia.org/wiki/Separatory_funnel

    Two funnels: A - Cone, or Pear-shaped, B - cylindrical. A separating funnel takes the shape of a cone with a hemispherical end. It has a stopper at the top and stopcock (tap), at the bottom. Separating funnels used in laboratories are typically made from borosilicate glass and their taps are made from glass or PTFE. Typical sizes are between 30 ...

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