Show safety coupling act the secretary of the interstate com merce commission in a communication to the house calls attention to a re cent decision sica of the united states circuit court of appeals for the eighth district affecting the safety coupling act which he says if upheld by b y the supreme court will have the effect ol 01 nullifying the of the statute in a vital respect the securing of such uniformity in applied automatic coup ling devices as to permit all the cars in a train to he be coupled and uncoupled without requiring men to go between the cars |