"Dental Art : Clés De Garengeot"
"The Garengeot key is an instrument used to extract lower molars. It was still in use at the end of the 19th century. It owes its name to that of its inventor: René-Jacques Croissant de Garengeot, French surgeon, born in Vitré in 1688 and died in Cologne in 1759. He was a remarkable surgeon and made important modifications to the technique and instrumentation of his art."
it is a fine specimen; it comes from a collection of 11 pieces in stock with different signatures or unsigned( Charrière, Collin, others) and with handles in horn, ebony or boxwood (1);
France, around 1840 - 1870