ii ^'' Rtpnri Hnti.'ih As.fraatun, . I.SS4 



DOUBLE AUTOMATIC SIREN 

 FOR HIGH AND LOW MOTES 



WITH CENTRIFUGAL GOVERNOR 



Scale 3 inches to afoot 



f- 



Admission Rsrt 

 to HighNoteSincn 



A 



VERTICAL SECTION 



PLAN OF 

 GOVERNOR 



Centrifugal 

 (iovernor 



l,20o Revolutions 

 ^r minute 



B 



Admission R)rt 

 to LoM Note Siren. 



HALF PLAN 



AT A 



OF HICH NOTE SIREN 



38,400vibm.tion8 

 \pmr minute . 



HALF PLAN 



AT B 



OF LOW NOTE SIREN 



1 6,600 vi b rat ions 

 j)er minute 



APPARATUS FOR FIRING GUN COTTON 



Section of Lantern 

 showinc side view 

 OF Apparatus 



The dotted lines show the jib lowarcd 



to receive the charge . ( ) 



The full lines show the jib raised 



.- to posit ton for firing" 

 -Electric Cable 



Dynamo- Electric 

 ing- Machina 



o^n 

 rir 



Scale ^ inch to af< 



^^wvv*.vvvww i wminu ^ >mm ii 



;^w.^^" 





Scale 4 inch to a/botr 



Scale 3 inches to J /bo 



lUuMraimij Su' James DoaqJjass's Panet' On Iiiifn't 



