File:A circumferentor is a magnetic compass, equipped with features for precise leveling and sighting, that could be read to one-half (1a6747de-1dd8-b71b-0b74-8e3c4e428169).JPG

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Summary[edit]

English: Circumferentor
Photographer
English: NPS Photo
Title
English: Circumferentor
Publisher
English: U.S. National Park Service
Description
English:

A wooden box has a round magnetic compass with two metal arms on its top

A circumferentor is a magnetic compass, equipped with features for precise leveling and sighting, that could be read to one-half of a degree.

  • Keywords: navigation; instrument; meriwether lewis; william clark; compass; articles
Depicted place
English: Lewis and Clark National Historical Park
Date Taken on 13 April 2017
Accession number
1a6747de-1dd8-b71b-0b74-8e3c4e428169
Source
English: NPGallery
Permission
(Reusing this file)
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
NPS Unit Code
InfoField
LEWI
Album(s)
InfoField
English: Navigational Instruments

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Date/TimeThumbnailDimensionsUserComment
current19:49, 10 May 2024Thumbnail for version as of 19:49, 10 May 20243,268 × 2,748 (3.17 MB)BMacZeroBot (talk | contribs)Batch upload (Commons:Batch uploading/NPGallery)

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