Appendix 11 



whereas the expedition reached altitudes at which considerai »ly lower pressures 

 had to be recorded ; hence, besides Albrecht's 34/ talde the following was also 

 calculated, and is here inserted, as it may be found useful in other cases. 



The value of lug l!, gi\('ii in this talilc, i.s rak-iilatid with the furniula : 



l(.g 1; - log (1 7-12407 - U)\h), 



in wliieh // is the barijuietric pressure in iiiilliiiu'Ucs. (1 nun. =about „'.thincli.) 



30S 



