RESOURCE:

Lewis and Clark Expedition Pocket Compass

Grade Range: K-12
Resource Type(s): Artifacts, Primary Source
Date Posted: 7/21/2008

In the spring of 1803, Meriwether Lewis began to purchase scientific and mathematical instruments for a pending expedition into the northwestern region of North America. Among the items he purchased from Philadelphia instrument maker Thomas Whitney were three pocket compasses and this silver-plated pocket compass.