The  illuminating  apparatus  is  dioptric  or  Sri  9ifbri»fttfr  fcllen  ticmoncnfcbufTe  ate  ®nt
by  lenses,  of  tlie  third  order.  trcrt  auf  bie  9icbelft^nalc  ber  bafftrcnben  ^cfiiffe
When  it  is  desired  to  attract  the  attention  aKjefeucrt  ivcrbcn.
of  passing  vessels,  a  gun  or  guns  will  be  tired
and  signals  made.
During  fogs,  guns  will  be  fired  in  answer
to  the  fog  signals  of  passing  vessels.
(Not.  to  Mar.  No.  14.  1st  February  1870.)

Berlin,  gtbtutft  unb  ju  tyaben  in  ter  JMnigiitbta  (SeheUnra  Cber«  ©of¥nd)br«cfmi
HR.  B.  I’etfrr).