![18th century surgeon performing a trepanning operation on a man's head, with various surgical equipment: Jean Louis Petit's lever 2, trestle 3, Valet's pincers 4, cauterizers 5-8, round plaque 9, triangular plaque 18th century surgeon performing a trepanning operation on a man's head, with various surgical equipment: Jean Louis Petit's lever 2, trestle 3, Valet's pincers 4, cauterizers 5-8, round plaque 9, triangular plaque](https://c8.alamy.com/comp/KCTP0G/18th-century-surgeon-performing-a-trepanning-operation-on-a-mans-head-KCTP0G.jpg)
18th century surgeon performing a trepanning operation on a man's head, with various surgical equipment: Jean Louis Petit's lever 2, trestle 3, Valet's pincers 4, cauterizers 5-8, round plaque 9, triangular plaque
![Torree McGowan on Twitter: "#militaryEMhistory Fast Fact The tourniquet was named by French doc Jean-Louis Petit in 1718. The word comes from the French "to turn" and derives from the screw type Torree McGowan on Twitter: "#militaryEMhistory Fast Fact The tourniquet was named by French doc Jean-Louis Petit in 1718. The word comes from the French "to turn" and derives from the screw type](https://pbs.twimg.com/media/DmwfRXoVsAAYFBl.jpg)
Torree McGowan on Twitter: "#militaryEMhistory Fast Fact The tourniquet was named by French doc Jean-Louis Petit in 1718. The word comes from the French "to turn" and derives from the screw type
![Genouillere chirurgicale et machine pour traiter les articulations disloquees de Jean Louis Petit - Planche tiree de ""L'Encyclopedie"" de Denis Diderot (1713-1784) et Jean Le Rond D'Alembert (1717-1783), 1779 - 18th century Genouillere chirurgicale et machine pour traiter les articulations disloquees de Jean Louis Petit - Planche tiree de ""L'Encyclopedie"" de Denis Diderot (1713-1784) et Jean Le Rond D'Alembert (1717-1783), 1779 - 18th century](https://images-cdn.bridgemanimages.com/api/1.0/image/600wm.FLO.29051640.7055475/4611913.jpg)
Genouillere chirurgicale et machine pour traiter les articulations disloquees de Jean Louis Petit - Planche tiree de ""L'Encyclopedie"" de Denis Diderot (1713-1784) et Jean Le Rond D'Alembert (1717-1783), 1779 - 18th century
![Jean Louis Petit" - Jean Louis Petit (1674-1750) surgeon professor anatomist Chirurg Chirurgie Medizin medicine Paris gravure Kupferstich Portrait by Balechou, Jean-Joseph (1715-1765):: (1750) Art / Print / Poster | Antiquariat ... Jean Louis Petit" - Jean Louis Petit (1674-1750) surgeon professor anatomist Chirurg Chirurgie Medizin medicine Paris gravure Kupferstich Portrait by Balechou, Jean-Joseph (1715-1765):: (1750) Art / Print / Poster | Antiquariat ...](https://pictures.abebooks.com/inventory/21635132704.jpg)
Jean Louis Petit" - Jean Louis Petit (1674-1750) surgeon professor anatomist Chirurg Chirurgie Medizin medicine Paris gravure Kupferstich Portrait by Balechou, Jean-Joseph (1715-1765):: (1750) Art / Print / Poster | Antiquariat ...
![John Louis Petit: Britain's forgotten impressionist, whose genius lay undiscovered in an attic for decades John Louis Petit: Britain's forgotten impressionist, whose genius lay undiscovered in an attic for decades](https://keyassets.timeincuk.net/inspirewp/live/wp-content/uploads/sites/8/2022/12/CLI380.artist_petit.whitbynorrey_c1844_john_louis_petit_philip_modiano.jpg)