hers that are that they may perhaps exceed upon subsequent ascen- tervals of from two to three minutes, took 13 X 18 likewise parallel and at right angles with the first. If, sions. after the development and drying of the negative, there negatives of extreme sharpness. Upon these latter, There is… … swivel fixed in a ring so as to image of the barometer that Figs. 1 and 2.-8E;0TI0NS. Eig. 3-OENEBAL VIEW. keep its axis in a sensibly permits of easily reading the vertical position. pressure. Inthe figure the apparatus The village of Elanconrt, is represented as closed and the houses of which are…
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