Remarks on 

 Douglass, 



il i)i rxfciino 



any country 

 its system ci' 

 en Avo reflect 

 1, occupyinrr, 

 ntrios oftlio 

 tion to Mon- 

 )i' recent and 



r Tail Point, 

 it by Holmes 

 'tant steps in 

 1 sound coaKt 

 at any coast 

 icr by one or 

 tmosphere — 

 ing it such a 

 ermine accu- 



optric lights 

 ?lish candle 

 Holmes, and 

 an intensity 



mineral and 

 the drawing 

 . With tlie 

 intensity of 

 hese burners 

 jonsequently 

 iratns of the 

 le first class, 

 1 that of the 

 if oil or gas. 

 s now found 

 )ptical appa- 

 [ consequent 

 petitors. 

 and general 

 ;o the maxi- 

 has also the 

 tion at any 

 re*the other 

 raHip and ex- 



i.i«»-' 



IMPROVEMENTS IN COAST SIGNALS.- 



II w i II I i II IIIIIF I I1 I H II my iiii r i iM ii 



585 



i: 



I ' 



1^ 



s^ 



«.i ■ 





fl 



