<prompt> Bhala okuqhubekayo kwalesi sigaba - Lokhu kwamholela ekutholeni ama-oscillographs e-bifilar ne-soft iron. Lezi zinsimbi zanqoba umklomelo omkhulu eMbukisweni waseSt. Louis  <response>: ngo - 1904. Zazinamandla kakhulu kune-stroboscope yakudala, eyasungulwa ngo-1891 eyayisetshenziswa ngaleso sikhathi. Kwaqhubeka kuyindlela engcono kakhulu yokurekhoda izenzakalo zikagesi ezisheshayo iminyaka engaphezu kwengu-40 lapho ithathelwa indawo i-cathode ray oscilloscope. Lokhu kwavula indlela yokuba kuqondwe kangcono indlela okwenzeka ngayo ukushintshashintsha kwamandla kagesi. 