… of fluid (generally slide valves), the transmission (endless screw, camshaft, gears or other systems), and a … axis which engages a cranked arm attached to the driving spindle of the counting mechanism. (2) Dry meters . …
… or closing an aperture (e.g., gate, disc, ball, plug, needle or diaphragm). They may be operated by hand (by means … a metal head fitted with a press‑button displacing a needle which opens or closes the ejection orifice. (18) Taps …
… gravity about 3. Decomposed by water; it burns the skin badly. Used in organic synthesis as an iodinating agent. (b) … process as the monochloride, or from hydriodic acid. Yellow needles soluble in water. Specific gravity about 3. Used for …
… wheels. They are sometimes equipped with a bicycle-type handle-bar, a hand brake or a foot brake on the rear wheel. … ( heading 96.18 ). (n) Jump balls with one or more handles designed for physical exercises. …
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