Elements of electricity, magnetism, and electro-magnetism : embracing the late discoveries and improvements : digested into the form of a treatise, being the second part of a course of natural philosophy : compiled for the use of the students of the University at Cambridge, New England
A college physics textbook on electricity, magnetism, and electro-magnetism compiled by John Farrar from Biot and others for Harvard students, printed at Cambridge, New England, by Hilliard and Metcalf in 1826. Folding plates pack dozens of numbered line engravings onto single sheets: batteries, coils, horseshoe magnets, jars, balances, and wire circuits, drawn in thin outline with letter keys and diagram rays.
