KIPP & ZONEN

GALVANOMETERS, MICROVOLTMETERS, APPARATUS FOR THE REGISTRATION OF VERY WEAK CURRENTS AND TENSIONS, COLORIMETERS, PHOTOMETERS, DENSIMETERS, CASH REGISTERS, AND CALCULATING MACHINES

MEDICAL APPARATUS FOR MEASUREMENT OF THE METABOLIC RATE; APPARATUS FOR DIRECT OXYGEN SATURATION MEASUREMENT OF BLOOD DURING HEART CATHETERIZATION AND RECORDING OF DYE DILUTION CURVES; AND HEMOREFLECTOR FOR MEASURING THE PERCENTAGE OF OXYGEN SATURATION IN BLOOD