Publication: American Glass Trade Directory
Pittsburgh, PA, United States
BOTTLE, GENERAL FLINT AND
Press and blownware plants in the United States and Canada, active or temporarily out of operation. The letter "f" is given for furnace and "p" for pots, as: 1 f, 16 p., means one furnace of 16 pots. The letters "c t" mean a continuous tank and "d t," day tank. The letter "r" designates ring holes, indicating the approximate capacity. A star (*) means plant out of blast when directory was issued.
Key for Bottle Factories.
The capital A means flint glass is made; B green, C amber, D blue, E opal, F dark green. The figures following these letters designate in a general way the lines of ware made, viz: 1, signifies pr