... excited," laughed Phil. "They have forgotten or neglected to couple the airbrake pipes up. Someday one of these crews will wreck us all. I have talked until I am tired. You see there is air on the front end of this train, but these show cars have not been coupled up with the air pipes of the regular train. It is very bad business. I'll report it when ... — The Circus Boys on the Plains • Edgar B. P. Darlington