Finnish architect Juhani Pallasmaa calls for the window door handle "the handshake of a building. The older unit was a Aluminum Door Accessories, is still very popular in the United States, much less in Europe, where regulators were omnipresent after the Renaissance .

I declare an interest here: I have a hardware manufacturer a decade ago. It helped me understand how a rare metal moments when we are physically present in the building, it is surprising that most of the apartments by yourself with mass production standard tell us that little or nothing about how to use a building to rituals and meanings of transition from one room to another.

The totem of the door knocker is a mechanism that announces the arrival and allows visitors to participate in construction. One of the oldest, most famous grounds, that of the hand, perhaps with a ball, hit a plate acts. Perhaps Pallasmaa is wrong and the hammer, which first shook hands.

The door handles are based on their progress through the house through a series of loops and turns, which received only a few minutes to chat with the materiality of the Interior defined.

The wooden base is suspected button a piece of wood and nature of its production, how he returned the opening rotation. The extra grip you need to contribute forces to a door handle of an intimate relationship with matter.

Later, metal buttons, but the more elaborate French chateau declined to equate the work of the great goldsmith. First, the lock function on the side where the locks were as different as the handles decorated were marketed, then in the 19th century, the locking mechanism was buried in the thickness of the door hung by the handles. At the same time, the pusher, began to become popular. happy in his modernist functionalism as a tool.

After studying mechanical engineering, Ludwig Wittgenstein, the design was the home of his sister in Vienna, was banned by the pipes and made a curved metal tube, different, first to try the other. This implied a recognition of differences between spaces.Curved pipe ubiquitous small symbolic acts whose architecture is a mechanical function.