er- chimney. The joint of the connection is made by folding spective view of the case. Fig. 3 is a longitudinal sectional over two opposite edges of the iron. On the inside of the end elevation through the same. of the connection, on each sideof the joint, is alug between When the box is to be… … keeping the door closed. The inner part of the keeper is furnished with a slot which is formed with a rack which, in placed on, and the uuts screwed down. When the box is to connection with the jaws, pinions, cog wheels, and ratchet This invention has been patented by Mr. Angus McDonald, be folded,…
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