Selling a Navy Ships Clock. I know nothing about these clock other than what I researched on the Net. The serial number on the back is 269786 and one site put this at 1940-1944. Also I found out that the red markings are for the Radio Room use and have something to do with distress signals. I do not have the key. This clock and several others were obtained by my father while he was in the Air Force at a Military Surplus Depot when I was a pre-teen so it had to be around the late 50's early 60's. I think the depot was at Rough and Ready Island near Stockton, CA or somewhere close. This is the only clock left. I acquired recently when my sister passed away. I presume it works as they all did when we first got them because I recall the constant bells every 4 hours I think. There is some loss of brass on the rim. The glass is fine and the case screw down without any problem. The clock is black around the circumference of the housing with brass screw in face. The clock is quite heavy. There are some very faint marking on the rim of the back of the clock. I have no idea what they are unless them were put on at the Surplus Depot. I took a macro picture and some of it came out. It looks like: 4/9/1945 and another set of markings which looks like so/9458/52 and another set 28601/62 I could be wrong on a number or two as they are extremely difficult to read even with a magnifying glass. Item is sold AS IS.
I could not find another clock either current or sold like this and did not know what the red markings on the face were but found this on net: In the US Government specifications for the Chelsea clock, it
notes "the dial has accurate 4 second marks in red around the outside
edge, over which the sweep seconds hand passes, enabling the radio operator to
accurately transmit the 4 second alarm signal provided by the International
Telecommunication Convention and the International Conference on Safety of Life
at Sea." And later, it indicates that, "also marked in red on the
dial, clearly and forcibly calling attention to the radio operator thereto, are
the two 3 minute silent periods which must be observed by all radio stations at
15 and 45 minutes past each hour." Thus, the red marks on the dial edge
are for the seconds alarm, and the red sector triangles for 3 minute radio
silent periods on the 500 kcs. distress frequency. Later models featured
additional green sectors at the top of each hour and 30 minutes past each hour
for the monitoring of the 2182 kcs. distress frequency.
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