These are the classic
copper navigation oil lamps required on all vessels that are
underway (moving) at night. The Left side of a vessel
is called the "Port" side and requires a Red light while the
Right side is called the "Starboard" side and requires a
Green light. Thus when passing another vessel
can quickly tell which side one is looking at and the
general direction it is traveling.
Our Solid Copper Red and
Green lamps are hand machined medium gauge pure copper with
a heavy
glass "Fresnel" style lenses that magnifies the light from the
oil lamp inside to be visible for 20 nautical miles.
Lamps such as these were
used on sailing ships for hundreds of years and are
still in use today on sailing ships worldwide.
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