Abstract: A disassembleable clothes or other garment rack or stand having a base, a supporting axle rod extending upwardly from the base and a plurality of spool-like elements separated from each other, and disposed for rotation about the rod at different height levels, and each said element having angularly, upwardly extending peg-type hangers insertable into it, with each of said elements and its hangers being greater in size and extent than the element and its hangers at the level immediately below. The stand may be converted into a decorative simulated tree by providing an annular support member having a plurality of spaced-apart coaxial rings disposed on the top of the base arm branches hung from the peg hangers and resting upon the coaxial rings.

Abstract: Steel is to be austenitic-ferritic at a 1:1 ratio of austenite to ferrite and contains particular alloy elements. The principal feature is, limiting the sulphure content to below 0.005% in order to obtain a particularly high toughness transversely to the main direction of working.

Abstract: An object carrier has a transparent plate with an opaque backing and carries a thin liquid crystal layer which, in turn, is covered with a 2 .mu.m glass plate carrying an object (microorganism, etc.). This carrier is placed in a microscope for photographic observation of the temperature-dependent reflectivity of the crystal layer as heat conductively coupled to the object. The average reflection of light by the crystal layer is used as a representation of its average temperature, to control backlighting of the opaque layer to, thereby, stabilize the average object temperature to at least 10.sup.-3 degrees centigrade.