There are large and small, simple and colorful, round and square clocks, but not all can appreciate these watches the same. How to read the visually impaired, the time?
An example that probably all of us know, and what is the first to come to mind, are speaking clocks. These watches tell the time by pressing a button, and are especially handy at night: You do not even open their eyes to the Announce time to leave. Just as there are talking clocks, there are of course other speaking everyday objects, such as for example scales or color detection devices. However, speaking watches are a relatively new invention and come only in recent years in use.
Previously, there were other ways for the blind to tell the time. The watchmaker Abraham-Louis Bréguet was the first who made a watch that can be used by blind people could, in the 18th century for most however was not affordable: the tactile PM. Tactile means something like keys or sensing something by touch. At times Breguet tactile watch was therefore only for the wealthiest of its customers affordable, but she was particularly attractive for them. In polite society, it was considered highly rude, others read the time in society, and the tactile am allowed their owners to feel the time in the pocket.
How exactly does a tactile watch? The waterproof watches usually have a metal lid for unfolding or unraveling. Among them is a dial with highlighted watches, where time can be felt. Since the tactile watches have no glazing, also the position of the pointer can be felt; However, a missing smart watches mostly because it is only troublesome in reading of the time. The tactile watch is naturally more robust than normal watch since the pointers would otherwise be out quickly. Earlier tactile watches were mostly pocket watches, they now exist as wristwatches.
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