Sentence:  Take a Sturgeon, draw it, and part it down the back in equal sides and rands, put it in a tub into water and salt, and wash it from the blood and slime, bind it up with tape or packthred, and boil it in a vessel that will contain it, in water, vinegar, and salt, boil it not too tender; being finely boil'd take it up, and being pretty cold, lay it on a clean <WSD>flasket</WSD> or tray till it be through cold, then pack it up close. 
Meaning of the word marked with <WSD> tags:  A vessel for serving food.