ALPHABETICAL INDEX. 725 

 F. 



PAGE 

 TOO 



Victor -jr- for computing relative Humidity, Regnault's constants (English 



measures) . . . 126 

 " Regnault's constants (French 



measures) . . .72 



factors for computing force of vapor, from Psychometrical observations, 



Apjolm's formula ....... 176 



deducing the Weight of Vapor from the Indications of Dew Point 



Instruments ........ 179 



finding Temperature of the Dew Point from the Readings of the 



Psychometer . . . . . . . 178 



Fahrenheit scale, compared with Centigrade and Reaumur, full degrees (from 



-f 212 to 39) .8 



" converted into Centigrade, tenths of degrees (from -j- 122 to 



-76) . 13 



" converted into Reaumur, tenths of degrees (from -{-122 to 



-380) 18 



degrees expressed in equal number of degrees Centigrade . . 34 



" u " " of Reaumur . . '34 



Fathoms, English, from Metres . . . . . . . 500 



" " into Metres ....... 500 



Foot, decimals of, into Inches and Decimals ..... 498 



u Decimals of, from Inches and Duodecimal Lines .... 498 



" " into Inches and Duodecimal Line .... 498 



Feet and inches from Decimals of a Toise ..... 497 



" Bavarian, into Metres ....... 493 



" Bolivian, into English Feet . . . . . . . 492 



" " Metres ........ 491 



English, equivalents of tenths of an inch in Barometer . . . 427 

 " " " " " at different 



temperatures and elevations ..... 430 



" " from Bolivian Feet ....... 496 



u " " French Toises ....... 461 



" " " Metres ........ 466 



" " " Mexican Feet ....... 495 



" " " Paris Feet . . . . . . .477 



" " " Rhine Feet . . . . . . .492 



" " " Vienna Feet ....... 489 



" u " Vienna Klafter ...... 486 



" Mexican, into English Feet ....... 495 



" " " Metres ........ 495 



" old Spanish, into Metres . . , . ... . 494 



" Paris, from English Feet ....... 482 



" " " French Toises ,....>. 460 



" " " Metres ........ 463 



" " " Rhine Feet . . . . . . .492 



" " " Vienna Feet ....... 488 



" " " Vienna Klafter . . . . . . .486 



" Prussian or Rhine from Metres ...... 474 



" Rhenish, from French Toises ..... 461 



