depth of the channel Murdock was examined before a Committee of the House edge of the cover fits snugly around the upper edge of the gradually decreases from the entrance port for the steam of Commons, in 1809, asked the witness: "Do you mean to top vessel, and has a conical section as shown in… … of a steam pump, to which is attached the con- COOKING STEAMER. that the compartments may be used for making denser, from which leads the regulator to the tea and coffee when desired. suction pipe. TLiese devices are now being manufactured In the several parts of the steamer are secured plates of…
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