58 



CONSTRUCTION OF ISOBARIC CHARTS 



Table 12. 



The Vaxues of (E'') > <"' the Number of level Surfaces between pj the Station Pressure and p, the 



PROXIMATE ISOBARIC SURFACE. 



p, = 24-5 Inches. 



Pi = S5. Inches. 



Pi = S5.5 Inches. 



p, = 26.0 Inches. 



P[ = S6.5 Inches. 



p^ = S7.0 Inches. 



p, = 137. S Inches. 



