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China electronics products Jolly's Balance
Description :
The Jolly balance is an instrument for determining specific gravities. Invented by the German physicist Philipp von Jolly in 1864, it consists of aspring fastened at the top to a movable arm. At the lower end, the spring is provided with two small pans, one suspended beneath the other. The lower pan is kept immersed to the same depth in water, while the other one hangs in the air. On the upright stand behind the spring is a mirror on which is engraved or painted a scale of equal parts. The specific gravity of an object, typically a solid, is determined by noting how much the spring lengthens when the object is resting in the upper pan in air (), and then when the object is moved to the lower pan and immersed in water (). The specific gravity is .
Specification :
Accessory :
3 Species spring, 1 scale glass, 1 mirrors hook, 1 aluminum plate, 7 sheet code (0.5 g), 1 π wire
Picture Details:
About Us:
Xi'an Yunyi Instrument Co., Ltd. is a professional manufacturer that engaged in the fields of pressure measurement instrument, the chief engineer Mr Tian has more than 30 years on this area, he is one of the engineers who introduced the Rosemount technology. We specializing in developing high precision pressure transmitter and pressure gauges. And we also develop temperature transmitter, level transmitter, densitometer etc. They are widely used in chemical, petroleum, paper, electricity, city gas, environmental protection, water treatment and other fields.
If you need this new products 2016 Jolly Balance , please contact
Katherina Wang skype:wangxiaoyuncalar
Or visit website for more details
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