AMERICAN INSTITUTE. 



inventor is ready to guarantee that these meters will operate per- 

 fectly without any attention for seven years, and it is presumed 

 that they will endure for a much longer period without any 

 derangement. 



Novel points claimed for Cochrane's Patent Water Meter : 



It improves the quality of the water by supplying and reviving 

 it with an extra quantity of air, (it is a well established fact that 

 water loses a portion of the air it contained previous to entering 

 the pipes by the levity of the air lodging it in any elevated por- 

 tions of the main pipes, when it is disengaged from the water, 

 which is the case when traversing pipes under pressure.) It has 

 the beneficial effect of having a large constantly supplied air ves- 

 sel, which wholly prevents concussion in the delivery pipes, thus 

 permitting lighter plumbing. It is constantly when in action, 

 condensing or compressing small quantities of air, which meas- 

 urably prevents freezing by increasing the temperature — thus it is 

 less liable to freeze. 



It is not liable to be injured by frost, as the ice would be 

 accommodated with expansive room, and thus not fracture or 

 injure the meter. 



It requires no stuffing box. 



It will discharge the measured water under the identical pres- 

 sure of tlie source of supply. It measures a constant stream as 

 accurately as any other meter possibly can, and must (from prin- 

 ciple,) measure the smaller quantities when any other will fail to 

 do so from wear. 



It can be manufactured at considerable less cost than any other 

 device for the same purpose, known at tliis time. The most 

 costly parts are as cheap and durable as the main pipes, 

 and its wearing parts can all be replaced (in a common sized 

 house meter,) for two dollars. 



It can with perfect safety be warranted in ordinary cases at 

 least fifteen years, without repair. [J2 diploma aivarded. 



(MACHINERY No. 6.) 



PRINTING PRESSES. 



JVewhury^s Reciprocating Cylinder Prijiting Press. 

 A. & B. Newbury, Windham Centre, New- York. 



The peculiar feature of the press, are a stationary bed, in con- 

 nection with an impression cylinder rotating and reciprocating 



