Larrey 's ambulance; Egypt; 1793. An ambulances devised by Napoleon Bonaparte 's chief Physician ; Dominique Jean Larrey (1766?1842). Used to transport soldiers from the battlefield whilst battle was active. Caption reads: 'The uniforms of the first Empire. Health Transportation Service. Larrey's ambulance in Egypt - 1793. Injured transported by camel.' ('Les uniformes du 1er Empire. Les transports du Service de santé. Ambulance de Larrey en ?gypte - 1793. Blessés transportés ? dos de chameau.')