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Scientific American, Vol. 43, No. 16 (1880) (1880)

leaf 7

An illustration from Scientific American, Vol. 43, No. 16 (1880), 1880, leaf 7
dings of ener recently patented by Mr. John Harley, of Wallace- that the pitch would readily spread, thus saving much the barometer, another tube, E, is arranged with a long bulb, F, something like a Sixe’s thermometer; this tube, E, trouble. The principle was crude, and as times go it was vr is,… … s ‘i naintic Com bined Barometer and remains the same. Practi Tharinometer: the ravages of the phylloxera is likely to receive a check, since it is claimed that only six or seven varieties do resist cally it is not altered by ; the insect’s attacks successfully, while none of them pro- burg,…

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