1900
10.2.0.0 Bloed, bloedsomloop
10.4.0.2 Onderkenning van de ziekteverschijnselen
10.4.0.2 Onderkenning van de ziekteverschijnselen
Einthoven conducted the electric pulses of the heart via electrodes to an extremely thin wire in a magnetic field. The minute currents made the wire vibrate. A beam of light fell on the wire so that the shafow could be recorded on a moving photographic plate. The photograph then showed a record of the vibrations ...
V10095
Rijksmuseum Boerhaave