A. MATHEMATICS AND ASTKONOMY. 63 



GREAT BRITAIN. 



Glasgow. The wire formerly owned by the observatory 

 bas been transferred to the government telegraphs, which 

 distributes the time-signals to the public at very low rates : 

 for example, 1 yearly is charged for a clock controlled with- 

 in one third of a mile of the office, etc. 



Liverpool. A time-ball is dropped daily at 1^^ visible to 

 the shipping, a time-gun is fired at the same hour at the 

 Morpeth Dock pier-head ; the clock in the Victoria Tower 

 (six dials) is controlled, as well as several clocks in the 

 city. 



Edinburgh. A time-ball, visible to the shipping in the 

 Firth, is dropped daily from Nelson's Monument on the 

 Calton Hill, a gun is fired from the Castle, and numerous 

 clocks are electrically controlled, some of them being ex- 

 posed for the convenience of the public. Time is sent daily 

 to Dundee. 



Dim Echt. At Lord Lindsay's private observatory at 

 Dun Echt, near Aberdeen, a time-gun is fired daily for the 

 public convenience. 



Dundee. Signals are received daily from Edinburgh at 

 an expense of 100 per year, and a time-gun is fired automat- 

 ically. 



Deed. A time-ball is dropped at 1^^ from Greenwich. 



Portsmouth and ^tart-Point. Time-balls (at 1'') are pro- 

 posed. 



Dublin. Greenwich time-signal is received daily at 10^ 

 A.M., and distributed. We are not informed as to de- 

 tails. 



Belfast. Greenwich time-signal at 10 A.M. 



Guernsey. " " " " 



Newcastle. Time-gun automatically fired at 1^' Greenwich 

 time. 



Sunderland. " " " " 



Middlesbord' . " " " " < 



Keyidal. " " " " 



N'orioich. Greenwich time is distributed. 



Stockton. " " " " 



Worcester. " " " 



JVottingham. " " " 



