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REPORT OF COMMISSIONERS OF INLAND FISHERIES. 



Diagram of the Large Canvas Bag used in Lobster Culture. 



The bag is 11 feet 8 inches square and 5 feet deep, made of 8-ounce can- 

 vas, and is supported by a gas pipe frame. 



1. Small boards nailed across the comers of the bag compartments of 



the floats. 



2. Vertical pipe, 5 feet long, which passes through a hole in the board (1). 



3. Coupling screwed on the top of vertical pipe (2). This coupling rests 



upon an iron washer through which the pipe passes. The whole 

 frame may be raised out of the water by drawing the vertical pipes 

 upward. 



4. Three-way coupling, into which two horizontal pipes (5) are screwed. 

 :>. :> feet horizontal pipes 12 feet long. Four of these pipes make a square 



lrnme upon which the bottom of the bag is stretched. All pipes are 



| inch galvanized gas pipe. 

 c. linn :; inches broad around the bottom of the bag. The pipes of the 



frame are slipped through these hems before the frame is put 



together. 

 7. Bern 2 inches broad at top of bag. A small rope run through this 



hem and looped over the tops of the corner pipes (2) holds up the 



sides of the bag. 



s. Bottom windows (20 x 30 inches) through which water enters the bag. 



9. Side windows (5 feet long, 1<> inches broad, and placed H> inches from 

 I he top) through Which the water escapes from the bag. These 

 windows are con e led on the inside with linen scrim, which prevents 

 the lobsters from being caughl in the copper screen. The windows 

 are made of \'o. in copper screen. 



