344 



TRANSIT OF VENUS, 1874. EGYPT. 



COMPARISONS, at MOKATTAM, of the SOLAR CHRONOMETER FRODSHAM -g-gVs (used 

 for signalling with SUEZ) with the TRANSIT-CLOCK at MOKATTAM (by coin- 

 cidence of beats). 



ADOPTED HOURLY LOSING RATE of FRODSHAM 



3 



T!':ins 



on MEAN SOLAR TIME, 



1874, Dec. 4 +0-024 



5 + 0-014 



7 + o-o53 



14 -t- o'ooS 



