A manual of electricity, magnetism and meteorology
A two-volume physics textbook on electricity, magnetism and meteorology by Dionysius Lardner and Charles Vincent Walker, published in London by Longman, Brown, Green & Longmans in 1844 for students and general readers. The wood-engraved figures show lettered laboratory apparatus in line and hatching: presses, voltaic batteries in glass cells, galvanometers with compass dials, wires, retort stands and burners.
