![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMDZ75Qmo1HqSwykEV-jX-Ypwb2-bwMozjv3y6ppfUb5NSiJq59NwpHBzjvx0ucAip_wBa9rvPCPmidEHXc-vBx3uyceJ6EhuuKgFiPKXXcq9toEcLhN1VsOflJ8uEtqlpuwFLqfO8eF2O/s200/micrometer.png)
Manometer- An instrument used for measuring gases.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9j0pGbQJF53mUa_0JTiIMVWUs7aPPl8HY8oPEaC-BSZOyv4tMnjNJw-bWe3k0IADd7ug2bOf8jrtdPwiEMs9g8s_iIbdGzXSekhJyXiymTLnWfQMPP0tU6E6nEXR5PV61Jc3okAxWv71S/s200/manometer.jpg)
Ammeter- An instrument used for measuring electric current.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNArmula8dVx1iISDgs2nAXg-OiLEP7ctHMh8WXbmukCYfAhX_BUdaP2N0QCBNtaGdUF8aeoJXChhQk_XBQr8jtQVc02pi4n3wsfSctHl38GlzkDQW0HUwHc4gn4oRX41psR0EzWd76Km3/s200/ammeter.jpg)
Binoculars- An instrument which enables a person to see distant objects as if they were near.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7vv0L2_EOnvYVVT-gLRouW4Gy60BAwzTe9asHxCdr7PEJfDCw06RS2Akdjmw0Dk289kzQoNjDgThB2BVJbJu4urMaXy3UAoUNviRQ00fshrn4IhDpmAMue4Y2cpcURcKNoGvx7OJS6U4e/s200/binocular.jpg)
Abacus- A calculator with sliding counters used especially by the Chinese people. This instruments enables them to count.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPgkB-MPP08JlaUiII3W0URH6Rbnmq8Bgms4fxvpHLM4L0ipQ48ZUUsRC0uWrYRoZMxqSKna4BgeAiO7D2AT6jdnTMEBSJyiQLywx1MjdvRnS2yc8nuJmL-2gGQi8mLnmgpP18AoRjz8p6/s200/Abacus.jpg)
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