Pictures 6 Seneca Glass Company, Morgantown West Virginia Tweet 1974 NEW POT AT ENTRY TO NO. 9. 1974 PLACING POT INTO OVEN NO. 9. 1974 PLACING POT INTO OVEN NO. 9. 1974 POT IN OVEN NO. 9. MEASURING STICK IS USED TO MAKE SURE THAT POT IS ALL THE WAY IN. 1974 BRICKING UP THE ENTRY TO POT NO. 9. 1974 BRICKING UP ENTRY TO OVEN NO. 9.