1839.] 



THE CIVIL ENGINEER AND ARCHITECT'S JOURNAL. 



would run into the retarder, and tbe same effect upon the engine and 

 tram would be produced as before stated— viz., that it would be brought 

 to a stand, and the only effect produ, ed to the slow train, behind 

 which the retarder was travelling-, would be, that it would be torn 

 away trom Us fastenings ; for the purpose, therefore, of meeting a case 



12: 



of this nature, it will be advisable to make the fastenings sucii, that it 

 may be torn avyay without the last carriage being subjected to any 

 violent shock with this view the pin at F may be of oak, or hardwood 

 strong enough to drag the retarder, but sufficiently weak to giva way 

 m the case mentioned. v 5t>» n-.y 



CURTIS'S PATENT RAILWAY IMPROVEMENTS. 

 A BREAK FOR ARRESTING THE PROGRESS OF AN ENGINE OR CARRIAGE. 



Fig. l,.SidoVi.w. F.g. 3, End View. 



Fig. 3, Top of Shoe 



Fig. 4, Underside of Shoe. 



AN APPARATUS TO PREVENT COLLISION BETWEEN TRAINS ON RAILWAYS. 

 Rg. 5, Side View of Apparatiu. 



mim^>Mm^mm;mimjss, 



Fig. 6, Plan of Apparatus. 



