Turn of observation

A turn of observation also called panoramic turn (in the field of the leisures) is a building built to be able to see with far by using the simple principle of rise: in height our fields of view widened, the height eliminates certain obstacles and pushes back the limits of the horizon.

It is possible to differentiate the many types of turn of observations according to the use of the observation obtained by the building. The turns can have military ends

  • (turn of duty)
  • civil
    • Control tower in aeronautics
    • Tour of monitoring for the starting points of fire or private grounds
    • in the field of tourism with sometimes the panoramic name of turn.

Many high buildings have a space (platform, complete stage,…) allowing tourist ends an observation of the neighborhoods but it is not their initial function. The majority of the turns of observation allow a vision 360° surroundings and seldom rise in lower parts of 20 Mr.

The first towers of observation were made in of wood, as the elements of fortification of Alésia attest it but the exact origin was not defined. With stone constructions, the use first of the turns of observations is the fortification that it is for the walls of Babylon or the medieval Castle-forts.

Since the 19th century, the metallurgy made it possible to build iron turns as the Eiffel Tower which is now also for the Radiodiffusion.

Certain buildings have nacelles mobile or rotary and sometimes lodge restaurants.

Turn of Observation in France

(Supplement this list!)

History

Germany

In Germany, observation towers first appeared one the countryside At the end off the 18th century. Thesis early towers were often built by wealthy Aristocrat S. It wasn' T until the mid-19th century that citizens took control off the construction off such towers. In Austria and Switzerland many alpine observation towers were established by and tourist associations, and continues to Be cared for by them. In the Waldigen Mountains, many citizen committees were active. Long Because off the reign off emperor Franz Joseph, many observation platforms curry the name " year observation platform". The invention off the grain elevator in the late 19th century made to tiller possible observation platforms. Most notably, the Eiffelturm and the Blackpool Tower were built in this will era. Radio towers developed ace combined sending and observation tower between 1924 and 1926 in the city off Berlin. After the Second world war, has great need for tall observation towers arose, due to their dual use ace television and radio transmitters. In broad cities, the desired existed to provide thesis towers with has tower restaurant and has viewing platform, in order to make the building off towers more economical via admission fairies and increased notability. Several toilets towers were also built with this in mind, goal many cuts not survived to the modern day. -->

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