...height of the mercury at the upper station, x = 55000 X -— -,. Add ^ ^ of this result for each degree which the mean temperature of the air at the two stations exceeds 55°, and deduct as much for each degree below 55°. Velocity and Force of Wind. To find the Force of Wind...

...connection with the mercurial barometer. In that case, having found the difference as above, add -J^-Q of the result for each degree by which the mean temperature of the air at the two stands exceeds 55°; subtract the like proportion if the mean temperature be below 55°. When the upper...

.....x-^-. = 132-3 feet. 59-ob4 To correct for temperature, add j^- of the result for each degree, that the mean temperature of the air at the two stations exceeds 55°. Subtract the same amount if the mean temperature is below 55°. When the upper thermometer reads higher...

...connection with the mercurial barometer. In thai case, having found the difference as above, add ^^5 of the result for each degree by which the mean temperature of the air at the two stands exceeds 55°; subtract the like proportion if the mean temperature be below 55°. When the upper...

...at the upper station in feet. 55000 X— ZLa«, Add !¿o oí this resuit ?!+/«• for each degree which the mean temperature of the air at the two stations exceeds 55 degrees, and deduct as much for each degree below 55 degrees. "Weight of Bien and ATI him) я. The...

...connection with the mercurial barometer. In that case, having found the difference as above, add ?^ of the result for each degree by which the mean temperature of the air at the two stands exceeds 550; subtract the like proportion if the mean temperature be below 550. When the upper...