Edison's first light bulb is waiting to visit the Expo Museum to collect Qizhen

As one of the permanent preserved buildings of the Shanghai World Expo, the Expo Museum, which has only 5,000 square meters of exhibition halls, has concentrated on various exhibits of the Expo for more than 100 years, and built a pavilion dedicated to the World Expo in the Expo. This is also historical. First time.

On the 18th, the reporter visited the museum in advance. The entire pavilion is divided into the Expo Hall, the Expo Discovery Hall and the Expo Operations Office. The opening ceremony of the London World Expo in Hyde Park from the Victoria and Albert Museum in the UK truly reflects the opening ceremony of the first World Expo in 1851 and also led the audience into the world of the World Expo. In the discovery hall, there are many magical discoveries waiting for you.

The first carbon filament bulb invented by Edison in 1879, although it can not be lit, can still feel the wisdom of Edison; the seven pieces of Rodin sculpture from the French Museum of Decorative Arts reflect the artistic achievements of the Expo, the thoughts familiar to the Chinese audience. Works such as Balzac and others are among them. The reporter found that the original thinker's original work was less than one meter high and could only be placed on the table, and the well-known thinker of one person is actually a copy.

In addition, ice cream, hamburgers, film, cars, these inventions from the World Expo to the ordinary people's homes are also displayed in kind through physical display, or a variety of forms of sound and light in front of the audience.

Micro Switch is a tiny contact interval and fast mechanism, with provisions of stroke and force on the contact of Switch action, use the shell cover, the external drive of a switch, because of the switch contact spacing is small, so the micro switch, also called sensitive switch.

Also known as sensitive switch, quick - acting switch.Pressure actuated rapid opening and closing.Used for door switch in anti-theft system.

MSW-04



Micro Switch

Micro Switch,Magnetic Micro Switch,Button Micro Switch,Elevator Micro Switch

Ningbo Best Group Co.,Ltd , http://www.speakerbuzzer.com