Open car with at least four seats, a folding hood and side curtains or roll-up windows.
                                                            
                                                     
                        
                                                
                        
                        
                            large open car seating four with folding top 
                                                            
                                                     
                        
                                                
                        
                        
                            an open car with seats for four or more passengers. Early tourers had no weather protection at the sides; later makes came equipped with detachable side-screens and curtains.