Publication: American Glass Trade Directory
Pittsburgh, PA, United States
GENERAL FLINT FACTORIES.
Below will be found a complete list of pressed and blownware plants in the United States and Canada active or temporarily out of operation or in course of erection. In giving the capacity of a plant, F is used for furnace and P for pots, as: 1 f, 10 p, means one furnace of 10 pots. The letter C appearing before the word "tank" means a continuous tank, and the letter D means a day tank. R is used to designate the number of ring holes, which gives the reader an idea as to the capacity of the plant. The capital A after the capacity of a factory means it makes flint ware; B means green glass and C signifies that amber ware is turned out. The figures after this