Abstract
A low temperature stage for a study on superconductors is described. The stage is connected to the copper rod which is cooled with liquid helium led through a pipe from the liquid helium vessel. The pipe has two bellows on the way so that the stage is movable. The bellows are connected with another pipe in the form of the letter U. This geometry allows the bellows to compensate each other for their expansion and shrinkage. The cold stage is available for observation of Landau's laminar structure in superconducting Pb films by shadow electron microscopy.
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