Search results with tag "Celestial navigation aloft"

Deborah Warner Celestial navigation aloft: aeronautical ...

Deborah Warner . Celestial navigation aloft: aeronautical sextants in the US 'Failure in navigation is often as serious as failure in the power plant or plane itself.' So wrote Philip Van Horn Weems, a 1912 graduate of the US Naval Academy who devoted his remarkable talents and energies to the promotion of celestial navigation aloft. This chapter

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