{"version":"1.0","type":"link","title":"String galvanometer - Newikis","description":"A string galvanometer is a sensitive fast-responding measuring instrument that uses a single fine filament of wire suspended in a strong magnetic field to measure small currents. In use, a strong light source is used to illuminate the fine filament, and the optical system magnifies the movement of…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/1/1c/Willem_Einthoven_ECG.jpg","thumbnail_width":652,"thumbnail_height":533}