gust 8th, picked up causing the loss of dogs and sledges, but after an ex- forward, dreading that each rise in the ice marked Whitney and the stores at Etah, coaled from the citing period dashing from one moving floe to an- an open lead, but always finding continued going. "Jeanie," and cleared… … ered on the twenty-second march before an and p the depressed pole; Z will be open lead delayed the journey. Another brief the zenith of the observer, and N his How the sextant is manipulated in measuring the sun's altitude. Diagram showing the principle of the sextant and the manner of its use in…
Apparatus · Pole · Patents · Munn · North Pole · Scientific American · Sheet metal · Producer gas · Latin America · Gas engines · Horizontal rudder · Triple action · Hot water · Practical treatise
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