資料來源 : pyDict

磁力記錄計

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Magnetograph \Mag*net"o*graph\, n. [Magneto- + -graph.]
   (Physics)
   An automatic instrument for registering, by photography or
   otherwise, the states and variations of any of the
   terrestrial magnetic elements.