Experiments on galvanism with frogs mb-code JS45462398 Entomological studies of the gumleaf

Entomological studies of the gumleaf grasshopper Goniaea australasiae

by William Elford Leach

Actor David Niven relaxes in his suite at the Connaught Hotel

Street seller sprinkling a pudding as he walks along

Represents first state of the plate

Experiments on galvanism with frogs mb-code JS45462398 Entomological studies of the gumleafA B is a plate electrical machine; C the prime conductor; D a brass ball held at a distance of two or three inches from the prime conductor by an assistant; W the experimenter [possibly Wilkinson], with a prepared frog, E, on a plate, and touching the muscles with a dissecting knife. As often as a spark passes from C to D, the muscles of the frog are thrown into action, even at a distance of two or three feet from the machine, with which it is