135 A.2d 900 JOHN A. DAVY v. VERNON E. GREENLAW a. No. 4610.Supreme Court of New Hampshire Strafford.Argued October 1, 1957. Decided November 5, 1957. 1. A policeman who went upon a fire escape attached to the defendants’ building in pursuit of a suspected burglar and sustained injury when the fire escape gave way was […]