60 



Commercial Shark Fishing in the Caribbean Area 



off the bottom third of the drum, add a chimney to it, 

 cut a door for adding fuel and punch air holes around 

 the bottom. On the top, to support the boiler, either 



Boiler < 



40 or 50 Got. 

 (Steel Drum) 



Cut along dotted line 

 to make heater 



Chimney 



Heater < 



Heater 

 Fig. 15 

 Boiler and Heater 



place a piece of black iron sheet or two pieces of stout 

 iron bar crossed. This heater will work well with wood 

 or charcoal. 



The other two thirds of the drum, turned upside down, 

 will do for the boiler and will hold about 25 to 30 gallons. 



(c) Press. (Figure 16) 



The press consists of a set of boxes in which the ma- 

 terial to be pressed is placed and a frame in which these 

 boxes are pressed. 



Make 5 or 6 boxes (Figure 16) using VA inches or 2 

 inches thick wood. The boxes should be 3 feet x 2 feet 

 x 3 inches inside measurement. The lid should be rein- 

 forced and just fit smoothly inside the box. On the lid 

 attach two pieces of 3 x 3-inch wood just a little shorter 

 than the length of the lid — about 2 feet x 10 inches. 



Through the sides and ends of the boxes, make a num- 

 ber of holes through which the liquid can escape as it is 

 squeezed out. These holes should start from the bottom 

 of the box and be 2 inches high. As the sides are 3 inches 



