Get a canvas cover made for the sextant box. Take one tin plate from the cooking outfit, and use this with a little water and a piece of Indian ink to make an artificial horizon. Carry the plate under the canvas cover on top of the lid of box.
|Title||:||The Principal Professional Papers of Dr. J. A. L. Waddell, Civil Engineer|
|Author||:||John Alexander Low Waddell, John Lyle Harrington|
|Publisher||:||New York : V.H. Hewes - 1905|