EMMONS COAL MINING CORPORATION et al. v. SIR R. ROPNER CO., Limited. No. 3810.Circuit Court of Appeals, Third Circuit. February 20, 1929. Rehearing Denied April 30, 1929. Appeal from the District Court of the United States for the Eastern District of Pennsylvania; Oliver B. Dickinson, Judge. Action by Sir R. Ropner Co., Limited, against the […]