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en.wikipedia.org/wiki/Triple_beam_balance

Triple beam balance is an instrument used to measure mass very precisely. The device has reading error of +/- 0.05 gram. The name refers to the three beams ...

www.arlynscales.com/the-history-of-scales

However, these inventions were not as accurate as the electronic systems that ... More recently, the much more practical and intricate triple-beam balance was ...

www.britannica.com/technology/balance-measuring-instrument

balance: instrument for comparing the weights of two bodies, usually for scientific ... The mechanical balance consists, essentially, of a rigid beam that oscillates on a .... Invented by the 19th-century German physicist Philipp von Jolly, it.

www.physics.smu.edu/~scalise/apparatus/triplebeam

Triple beam balance. Instructions on use. The triple beam balance is used to measure masses very precisely; the reading error is 0.05 gram. With the pan empty, ...

www.answers.com/Q/Who_invented_the_beam_balance

A triple beam balance is a type of scale commonly used in the laboratory to ... The triple beam balance was invented by Friedrich Jahn in the late 1700s.

www.benmeadows.com/refinfo/techfacts/techpdf/balance_scale_121.pdf

Introduction. The history of balances and scales dates back ... To fully understand how balances and scales .... called triple-beam balances because they have.

www.gymmedia.com/Anaheim03/appa/beam/history_be.htm

History of Gymnastics on Balance Beam This apparatus is rather lately used in competitive gymnastics. However, as apparatus for balancing it is actually as old  ...

genchem.rutgers.edu/balance3b.html

The triple beam balance is a rugged, inexpensive weighing instrument. It is named for the three beams which carry weights. A. The middle beam reads only in ...

www.rainbowresource.com/proddtl.php?id=006743

A balance scale works great for measuring the weight of an object, but when you need to measure mass (the amount of matter) accurately, a triple beam balance ...

www.flinnsci.com/flinn-triple-beam-balance/ob2098

The Flinn triple beam balance is a low-cost, reliable mechanical balance. Provides the convenience of a top loader yet retains the ruggedness needed for a ...