sextant

AI-extracted reference. Each entry below was identified by AI as mentioning sextant. Spelling variants may not be merged. see related variants →

Preparations Continue at Pittsburgh

Aug 24, 1803

"scientific instrument for expedition"

Lewis: January 26, 1805

Meriwether Lewis · Jan 26, 1805 · Fort Mandan (winter)

"used for meridian altitude observation"

Lewis: May 30, 1805

Meriwether Lewis · May 30, 1805 · Missouri River, first view of Rocky Mountains

"well seasoned case shrunk, joints opened"

Clark: August 7, 1805

William Clark · Aug 7, 1805 · Jefferson/Beaverhead River near present-day Dillon

"used for equal altitudes observation" — transcribed as Sextant

Lewis: August 7, 1805

Meriwether Lewis · Aug 7, 1805 · Jefferson/Beaverhead River near present-day Dillon

"used for equal altitudes observation" — transcribed as Sextant

Lewis: August 19, 1805

Meriwether Lewis · Aug 19, 1805 · Camp Fortunate, Sacagawea reunites with Cameahwait

"used to observe sun and moon"

Clark: October 10, 1805

William Clark · Oct 10, 1805 · Snake River rapids, near Lewiston

"used for meridian altitude observation" — transcribed as Sextant

Clark: November 16, 1805

William Clark · Nov 16, 1805 · Exploring for winter camp site, south shore of Columbia

"used for meridian altitude observation" — transcribed as Sextant

Lewis: February 16, 1806

Meriwether Lewis · Feb 16, 1806 · Fort Clatsop, winter quarters

"used to compare octant error"

Clark: April 4, 1806

William Clark · Apr 4, 1806 · Portaging Cascades of the Columbia upstream

"used to observe moon-Regulus distance" — transcribed as Sextant

Lewis: April 4, 1806

Meriwether Lewis · Apr 4, 1806 · Portaging Cascades of the Columbia upstream

"used to observe time and distance" — transcribed as Sextant

Lewis: April 5, 1806

Meriwether Lewis · Apr 5, 1806 · Portaging Cascades of the Columbia upstream

"used for altitude observation" — transcribed as Sextant