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  2. Polybolos - Wikipedia

    en.wikipedia.org/wiki/Polybolos

    Arsenal of ancient mechanical artillery in the Saalburg, Germany; left: polybolos reconstruction by the German engineer Erwin Schramm (1856–1935). The polybolos (the name means "multi-thrower" in Greek [1]) was an ancient Greek repeating ballista, reputedly invented by Dionysius of Alexandria (a 3rd-century BC Greek engineer at the Rhodes arsenal, [2] [3]) and used in antiquity.

  3. Window blind - Wikipedia

    en.wikipedia.org/wiki/Window_blind

    Various window blind styles. A window blind is a type of window covering. [1] There are many different kinds of window blinds which use a variety of control systems. A typical window blind is made up of several long horizontal or vertical slats of various types of hard material, including wood, plastic or metal which are held together by cords that run through the blind slats.

  4. Scorpio (weapon) - Wikipedia

    en.wikipedia.org/wiki/Scorpio_(weapon)

    The scorpio or scorpion was a type of Roman torsion siege engine and field artillery piece. It was described in detail by the early-imperial Roman architect and engineer Vitruvius [1] in the 1st century BC and by the 4th century AD officer and historian Ammianus Marcellinus.

  5. Thurible - Wikipedia

    en.wikipedia.org/wiki/Thurible

    The censer will usually have three outer chains (for the Holy Trinity) attached to the bowl, and a fourth inner chain (for the Oneness of God) attached to the lid. The three outer chains are gathered together and attached to a round conical plate attached to a ring; the inner chain passes through a hole in the conical plate and is attached to ...

  6. Joining technology - Wikipedia

    en.wikipedia.org/wiki/Joining_technology

    Chain-link fencing. ... Reproductions of ancient Greek or Roman war machines. ... 1944 Blind rivets [24] 1981 Pozidriv screws. [23] References

  7. Lady Justice - Wikipedia

    en.wikipedia.org/wiki/Lady_Justice

    The earliest Roman coins depicted Justitia with the sword in one hand and the scale in the other, but with her eyes uncovered. [8] Justitia was only commonly represented as "blind" since the middle of the 16th century. The first known representation of blind Justice is Hans Gieng's 1543 statue on the Gerechtigkeitsbrunnen (Fountain of Justice ...