140 



MOMAY. 



Chap. XXIII. 



at my tent, I hastened to ascertain by comparison whether 

 the instrument which had travelled with me from England, 

 and taken so many thousand observations, was seriously 

 damaged : to my delight an error of 0-020 was all I could 

 detect at Momay and all other lower stations. On my return 

 to Dorjiling in December, I took it to pieces, and found the 

 lower part of the bulb of the attached thermometer broken 

 off, and floating on the mercury. Having quite expected 



VIEW FROM AN ELEVATION OF 1,8,000 FEET OF THE EAST TOP OF KINCHINVHOW, AND OF TIBET, 

 OVER THE RIDGE THAT CONNECTS IT WITH DONKIA. WILD SHEEP (OVIS AMMON) IN THE 

 FOREGROUND. 



this, I always checked the observations of the attached 

 thermometer by another, but — how, it is not easy to say — 

 the broken one invariably gave a correct temperature. 



the standard of the Royal Society, + *004. I have given in the Appendix some 

 remarks on the use of these barometers, which (though they have obvious defects), 

 are less liable to derangement, far more portable, and stand much heavier shocks 

 than those of any other construction with which I am familiar. 



