Scientific apparatus and instruments, namely, optical devices, namely, optical probes with cables for measuring speed; photographic, optical, weighing and signalling apparatus, namely, lab scales and balances; apparatus, namely, magnetic stirrers, overhead stirrers, laboratory dispersers, laboratory mills, laboratory heating hot plates, rotary evaporators, laboratory heating hot baths, vortex creating shakers, orbital shakers, horizontal shakers, test tube shakers, incubator shakers, nutating...