The chamber is oval. The top has two black plastic lids with three holes in each. Two of the holes have brass pipe connectors in them. They are held in place by brass nuts. One of the lids has a second hole with a brass pipe, this one held in place with a rubber stopper. The chamber is banded in brass, with several brass screws, and has clear plastic sides. The chamber may have been divided in two, but the divider seems to have disintegrated. There are two brass nuts and plastic shards (divider?) loose on the bottom of the chamber. The bottom of the chamber is made of the same black plastic as ...
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