Posted 6 years ago
Rulandma
(27 items)
Produced in 1951 by Kelvin & Hughes you could probably navigate anywhere with these instruments.
You only have to know how to operate one :)
This one is cleaned and in working order.
Even has a light but I cannot find the battery for it.
Has the original green oil bottle that has since dried up.
"You only have to know how to operate one :)"
Very easy. All you are doing is sighting on a celestial object (the sun) and bringing it "down" to the horizon by moving the arc. Then measure the angle.
Thank you Onedtent for the advice. I have no clue and no boat to use with it :)