DETERMINATION OF AQUEOUS VAPOR — ALDRICH 



Table 1. — Fowle's standard table. Precipitable water vs. depth of hand 



(For standard conditions of solar-constant observations: slit width, .3 mm.; 

 time of single swing of galvanometer, 1.4 sec. ; ratio of bottom of the Fraun- 

 hofer "h" line (X = .4102 p.) to smooth curve = .845.) 



