152 A.2d 619 MARYLAND CASUALTY COMPANY v. WAUMBEC MILLS, INC. a. No. 4705.Supreme Court of New Hampshire Hillsborough.Argued April 7, 1959. Decided July 10, 1959. 1. The ruling by the Trial Court that a petition for declaratory judgment by a liability insurer, to determine the extent of coverage afforded its insured, should be heard in […]