Google Books has a scanned 1914 edition of this available for download: https://ia902307.us.archive.org/26/items/elementarylectu00steigoog/elementarylectu00ste

Google Books has a scanned 1914 edition of this available for download: https://ia902307.us.archive.org/26/items/elementarylectu00steigoog/elementarylectu00steigoog.pdf https://ia902307.us.archive.org/26/items/elementarylectu00st... Steinmetz was also the originator of the Phasor Transform used in steady state RLC circuit calculations. And BTW that's phasor as in Argand plane not phaser as in Star Trek. :)