Lithotomy trephine with adjustable jaws and perforated sliding on ratchet mechanism through cylinder 1751-1890
Rack and pinion type lithotrite with flat-ended proxinal curve and percussion head by Charriere, Paris, c.1860 Rack and pinion type lithotrite with flat-ended proxinal curve and percussion head by Charriere 1801-1900
Charriere's modification of Segelas rack and pinion type lithotrite, steel and ebony, by Collin, France, c.1860 Charriere's modification of Segelas rack and pinion type lithotrite 1801-1900