— 79 —
yards from its extremity. The dome of the
lantern is painted red, the other parts of it
white.
lhe light is elevated 273 feet above the
mean level of the sea, illuminating an arc of
360°*) of the horizon, and should he seen,
in ordinary states of the atmosphere, from
the deck of a vessel 15 feet above the water,
at the distance of 23'/a nautical miles.
The keeper's dwelling is a two-story woo
den building, painted white, with green blinds,
and is placed at the top of the steep slope,
230 feet higher than the base of the tower.
The geographical position of the Light-
House, as shown by the United States Coast
Survey Chart, is latitude 37° 59' 39" North,
longitude 123" 00' 16" West from Greenwich.
The magnetic variation is 16° 08' East.
A tangent to the shore in an easterly di
rections bears S. 74° E., magnetic, and this
line limits the visibility in that direction.
The angle of visibility over the water is 285°.
The following are the magnetic bearings
from the tower to prominent points, viz:
To Point Bonita light-house, E. 9° S., or
E. 3 /4 S., distant 27 Vs miles.
To South Farallon light-house, S 18 3 /*
E., or S. by E. */s E., distant Wji miles.
To Point Arena light-house, N. 47 8 /a°
W., or N. W. l /x W., distant 67 miles.
Not. to Mur. No. 115.
i'uft, bei 15' ÄugeS^e, 23‘/t Scent, fecit fidjt*
bar fein.
Die & l ärterteobmmg ift ein gtoeiftörfigeS Ijöi-
ScrneS C^ebätibe, fecip gemalt, mit grünen fyenfter
laben unb liegt auf ber 2pit*e bc§ fteilen iHbiian-
gc$, 230' böber a 13 bie iöafiö bed VciKbttbnrmS.
Die geogr. Vage bc$ VeucbttburmS ift nach ber
llniteb 2tate3 Cioaft 2urtetj Cibart: 37° 59' 39"
'Jiorb Breite nnb 123° 0' 16" SBeft iänge ton
Öreenfe.
Ih’ipro. 16" 8' Cft.
©ne 3?eriibrung$tinie mit bem tfanbe, in öft=
lieber Miefotung, in ber Teilung 274°C (mirro.)
begrenzt ben 2ebfrci$ in biefer Oiicbtiing] Der
VicbtireiS ttacb Sto bin beträgt einen Regelt ton
285°.
Die foigenben Teilungen (tnijjfe.) tont Dburnt
ano nach bertorragenben fünften fittb:
Veuibttburni auf ber 2pit}c 33ouita Cö°2 ober
C 3 A2, 27V* 2eem. entf.
^eutbtiburnt 2üb farallon 218 3 A°C o^-r
SjOVsO, 17 3 /4 2eem. entf.
Veudmburm auf ber 2pifce ilrena 0i47 3
ober iMBV.iSB, 67 2eem. entf.
‘-Befanntmadjung bev 2cl)frciö auf nur 285°
*) 2d)iint ein Xrucffctjlcr ju fein. Da Weiter unten in bertelben
angegeben ift.
3Äarine»3)tinijteriutn, i>pbrograp^if(be8 ©itreau.
Srei^err non fteibnity.