Beautiful 19th century surveying instruments. In the 18th and 19th centuries, surveyors were important people, responsible for tracing the lines needed to map cities, dig canals, build roads and lay down railway lines in a rapidly industrialising world. Their most precious possessions were their surveying instruments like theodolites, tacheometers and levels. These instruments weren’t just highly accurate measuring tools, they were artfully crafted too.
The lake of Zurich water treatment plant "Moos" was built 100 years ago. It was the second plant built after the great outbreak of typhus in Zuerich in 1884. It has fast and slow sand filters. Which are now beeing replaced by membrane filters.
The X-ray tube opened the path to visualise the inner parts of the body. More machines entered the field of medcine, a pedal driven dental drill, prosthetic arms or lung machines.
In 1931, Auguste Piccard reached a record altitude of 15,781 m (51,775 ft). Jacques Piccard explored the deepest part of the world's ocean using the Bathyscaphe "Trieste". The Ben Franklin-Grumman/Piccard PX-15 mission investigated the secrets of the Gulf Stream at depths of 600 - 2000 feet and 1444 nautical miles. Now Piccards's Mésoscaphe PX-8 has been restored.
Electrosuisss was founded in 1889. It is an accredited and internationally recognised test laboratory, who conducts neutral and independent tests of electrical and electronic equipment and components.
The dream of unrestricted mobility on land, water and in the air has always been the driving force behind technological inventions and original utopias. On show at the Vienna Technical Museum are Austria’s oldest railway, which was still horse-drawn at the time, the breakneck flying machines of aviation’s early pioneers, and the most successful racing car of the post-war period.
On three sites Roman organs were found. The biggest discovery was at Aquincum in Budapest (Hungary). A number of reconstructions have been built. The closest to an original functional Roman water organ was built by the groupe Musica Romana at Wasserburg (Germany).
Replacing hydraulics, heating and air-conditioning in an old building is extremely costly. In apartment buildings the cost is prohibitiv high. In order to achieve a low energy building the cost rises to three times of a newly built house.
Up to the 17th November the History Museum of Berne (Switzerland) houses a large Chinese Exhibition about Qin the First Emperror and his terra-cotta army. The article explains how the terra-cotta figures were constructed and what colors the Ancient Chinese used.
The first underground railway on the continent of Europe was built in 1896 in Budapest. The worlds first Underground was the Metropolitan in London, built 1863.