Next to the mirror with compass, located the line of sight and guidance in the opposite compass direction. At the free end of the foam in its bottom hammered a metal rod-sight. Between him and the mirror at the bottom of pencil-box mounted protractor, the horizontal part of which is attached arrow. When horizontal pencil-box arrow should show 0 °. Pencil case with the lid, move freely in slots. On the left side of the upper edge of the sidewall stripe range finder is attached to the millimeter and centimeter graduations. Small tablet size, compact placement of devices mounted in it, make it convenient for use in campaigns. Mirrored visor facilitates azimuthal ocular estimation and provides greater accuracy in work than an ordinary compass or compass Hadrian, and eliminates the need to have a helper when using eklimetra-leveling.
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