The treatment of disease by electric currents : a hand-book of plain instructions for the general practitioner
An 1897 New York handbook of electrotherapeutics by Samuel Howard Monell, written as step-by-step instruction for general practitioners using electric currents on patients. The plates are line-engraved instrument studies — graduated sets of curved electrodes and probes with cross-hatched handles, lettered A to F and arranged as stacked rows on plain grounds — useful as clean tool silhouettes, size-series diagrams, and shading-by-hatching reference.
