CONTENTS. 



PAGE 



Extract from a Letter of Proceedings from Mr. S. Hunter to the Astronomer 



.Royal - . - 321 

 Description of Instruments - - - - - -321 



Description of Chronometers - - - 321 



Instrumental Constants - 322 



Adopted Error of the Observing Chronometer - - 322 



Position of the Transit Instrument at Alexandria - - 323 



Transits of Stars observed at Alexandria - - 323 



Errors and Bate of the Observing Chronometer - - 326 



Comparisons of the Chronometers ... 327 

 Errors and Eate of the Signalling Chronometer on Alexandria Mean Solar 



Time - 327 



Errors and Rate of the Signalling Chronometer on Mokattam Mean Solar Time 328 



Difference of Longitude from each day's signals - - 328 



Corrections for Personal Equation, &c. - - 329 

 Final Longitude of Alexandria (Hotel de 1'Europe) - - - -330 



