Sextant

Sextant: a voyage guided by the stars and the men who mapped the world's oceans

David Barrie

Specifications for marine sextants.

United States. National Bureau of Standards.

The Sextant and Its Applications: Including the Correction of Observations for Instrumental ...

William Simms

The marine sextant: selected from American practical navigator

Nathaniel Bowditch.

Sextant with attached spirit-level horizon.

Davidson, George

Sky and sextant: practical celestial navigation

John P. Budlong.

Manual of the sextant: containing instructions for its use in determining time, latitude, longitude, and the variation of the compass

by Charles W. Thompson

Reed's sextant simplified

Dag Pike

Precision astrolabe: Portuguese navigators and transoceanic aviation

by Francis M. Rogers.

The sextant

by H. Wilberforce Clarke