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  • pince-nez

    A type of spectacle that rests solely on the nose. Translates from French as nose-pinch

  • pincers

    Joined tools with a pair of jaws and handles; used to grip objects. MEANS.

  • pipette

    A graduated tube (marked in ml) used to transport a definite volume of a gas or liquid in laboratory work.

  • pistol

    Short firearms, either rifled or smoothbore, with the chamber made as an integral part of the barrel, designed for use with one hand.

  • piston

    The disc-shaped or cylindrical assembly that, from or against pressure, moves back and forth inside the cylinders of a steam locomotive.

  • piston valve

    An inside or outside admission steam distribution valve with two piston heads spaced on a spindle and fitted with rings to maintain steam tightness.

  • pit saw

    Large two-man saws used to saw boards from the lengths of logs which are placed over big pits. The saws are operated by one man standing on the log and the other standing in the pit.

  • place mat

    Small table mats on which individual place settings are laid.

  • placenta

    The placenta is an organ, rooted to the lining of the womb, which links an unborn baby's blood supply to the mother’s. By linking to the mother's blood supply, the placenta carries out functions that the unborn baby cannot.

  • plague

    An acute contagious fever with high levels of mortality. Both the 'Black Death' that swept Europe in the 1340s and the Great Plague of London in 1665 are believed to have been bubonic plague.

  • plane -tool

    Tool used for leveling and smoothing the surface of wood by paring shavings from it.

  • planetarium projector

    A type of projector used to project images of celestial objects onto the dome inside a building or structure normally referred to as a planetarium.

  • planimeter

    Device for measuring the area of any plane surface by tracing the boundary of the area.

  • plaque

    An ornamental tablet of metal, porcelain etc that depicts a person, scene or inscription. Often fixed to a building in commemoration of a person or notable historical occurence.

  • plasma

    The liquid component of blood, in which the blood cells are suspended. Plasma makes up around 55 per cent of blood's total volume.

  • plaster

    A term that refers to a variety of protective coverings or dressings.

  • plastic surgery

    A surgical speciality dealing with the restoration or construction of the body. Often used to refer to elective surgery done for aesthetic reasons.

  • plate

    A shallow vessel usually circular and of earthenware or china from which food is eaten or served.

  • plate camera

    A camera designed to take glass plate negatives

  • platelayers trolley

    A lightweight railway vehicle for the use of track maintenance staff. May be pushed by hand, manually propelled through a lever and crank system or self-propelled by an internal conmbustion engine.

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