sents a survey party engaged in leveling observations with mountain barometers, at the levels of the different peaks from the pipe, flowing downward, strikes the buckets at a ings. For a quarter to half a tun a month is a common sup- seen in the distance. At A is seen the transit, by whicht the ply… … use on several organs of forty stops, doing the as usual, by the upper or lower station re- work with a pressure of water of twenty cords, and, by the tri-linear measurement.-, BACKUS' IMPROVED WATEE MOTOR. pounds per square inch, costing per annum, as the proper corrections for curvature, etc., we…
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