Farrell, Frank J. (Frank James), 1877-1937 · London : Charles Griffin & Co. · leaf 139
125 DYEING. or copper ; wood vats being usually employed where large capacity is desired, and copper pans up to about 120 gallons capacity. The wood vats or "barks" usually employed are of about 200 gallons capacity, and are rectangular in shape. A perforated steam pipe is fitted on the bottom of… … Fig. 45.— Jacketed Pan (Tilting). being dyed coming in contact with the steam pipe. Each vat is fitted with an adequate water supply and with a plug for running off the contents. Copper pans are made for heating with live steam or are fitted with a steam jacket. In the smaller sizes of jacketed…