The reviews are automatic translation.
On 2017-03-04 15:09:51
NS see something of the reverse there were two. It is the correct really all is desirable but is no particular problem because a simple experiment.
On 2016-12-22 16:11:18
Because it does not even take legible location, it is very easy to use.
Holes in the camera of the distal end portion attached
On 2016-07-29 16:13:36
If you use it down the hole in the camera vertically, I attempt to install the tip so you know the direction, was purchased.
Although not yet installed, the movement but not the oil type is smooth, I think that good low cost.
Confirmation of the magnetic lines of force
On 2016-04-14 15:01:48
Item A-okay. it is normal.
Measurements of the magnetic field lines
On 2016-03-15 18:58:37
I very small, but it plays the role of the firm compass. It is great to be able to this number buy at this price. It was very helpful.
Demonstration experiments in the classroom
On 2014-12-08 13:12:51
More than anything, because the small size and low cost, difficult there is a thing that can experiment a lot of magnet.
You can even experiment of hard magnetic dipole correlation. Bought 30 eventually, but one, opposite polarity
Thing has been discovered. This is rather, there was very, educational and is.
Ingenuity might be as soon as in it is a variety of cutting-edge physics experiment. Recommended for everyone of teachers
On 2013-03-31 09:52:57
This price is a big satisfaction in ten. But, how a little too small? The loss to the equipment of hiking and touring is so go and several have without worrying.