734 ALPHABETICAL INDEX. 







P. 



PAGE 



Padua, Hourly corrections, Periodic Var. Temperature . . . .612 



Palermo, Monthly corrections, non-Periodic Var. Temperature . . . 655 



Parallel, length of degree of ..... . 593 



Paris Feet. See Feet. 

 " Lines. See Lines. 



" Monthly corrections, non-Periodic Yar. Temperature . . . 669 



Pekin, Hourly corrections, Periodic Yar. Temperature . . . .603 



Philadelphia, Hourly corrections, Periodic Yar. Temperature . . 579, 580 



Plantamour, corrections for half sums of Temperature, Geneva and St. Bernard 420 



Hypsometrical Tables ...... 410 



Plymouth, England, Hourly corrections, Periodic Yar. Temperature . 619, 620 

 Pouillet, Depression of Barometric column due to capillary action . . 339 



" Weight of Yapor in Grammes in Cubic Metre of Air . . .192 



Prague, 'Hourly corrections, Periodic Yar. Temperature . . . 617,618 



Pressure, Barometric, corresponding to Temperatures of boiling water . 438-444 

 Prussian Miles. See Miles. 



" Square Miles. See Miles Square. 



Psychrometer, Factors for finding dew point from readings of . . 178-182 



Psychrometrical observations, Factors for deducing Force of Yapor, Apjohn . 176 



Tables, Glaisher, Greenwich constants .... 140 



Guyot, English measures . . . .28 



" " Haeghens, French measures . . . .48 



K. 



Ratisbon, Monthly corrections, non-Periodic Yar. Temperature . . 661 



Reaumur's Scale, compared with Fahrenheit and Centigrade, full degree from 



_f_80to+40 . . . .10 



" " " " Centigrade, tenths of degrees from -}- 40 to 



40 ... .23 

 degrees converted into Fahrenheit, tenths of degrees from -}- 40 to 



40 . . . . .30 



" " expressed in equal number of degrees Centigrade . . 35 



" " " " " " " Fahrenheit . . 35 



Reducing Barometer to sea level ....... 426 



Regnault's Barometric Pressure equivalent to Temperature of boiling, water . 438 

 " " " " to Temperature of boiling water, 



English measures, Moritz . 444 

 " to Temperature of boiling water, 



metrical measures, Moritz . 442 



" constants, Hygrometric Tables based on them . . 46-130 



Reikiavik, Monthly corrections, non-Periodic Yar. Temperature . . 679 



Relative Humidity, corresponding to degrees of Saussure's Hair Hygrometer . 195 

 " " corresponding to degrees of Saussure's Hair Hygrometer, 



Gay Lussac ....... 193 



deduced from Indications of Saussure's Hair Hygrometer, 



Haeghens ....... 194 



