Forester's and Geologist's Compass
Object Details
- Keuffel & Esser Co.
- Description
- Aluminum compass with brass sights. The raised rim and beveled outer ring are graduated every degree, numbered every 10 degrees in quadrants from north and south, and adjustable for variation. The western half of the face is graduated to degrees, and equipped with a pendulum clinometer pivoted at the center. There is a circular level vial at NE. The four beveled edges of the plate are graduated, one to inches and tenths, one to inches and eighths, and two as protractors. The back of the plate has a diagram showing the arrangement of township numbering. The inscriptions read "KEUFFEL & ESSER CO NEW YORK" and "U.S. INDIAN FOREST SERVICE" and "32712." Keuffel & Esser noted that they had made many instruments of this sort for the United States Forest Service. The serial number indicates a date of around 1916.
- Ref: Keuffel & Esser, Catalogue (New York, 1927), p. 424.
- Location
- Currently not on view
- ID Number
- PH.335529
- catalog number
- 335529
- accession number
- 321714
- Object Name
- Pocket Compass
- Measurements
- overall: 4 1/2 in x 4 1/2 in; 11.43 cm x 11.43 cm
- overall: 1 1/4 in x 4 1/2 in x 4 1/2 in; 3.175 cm x 11.43 cm x 11.43 cm
- place made
- United States: New York, New York City
- See more items in
- Medicine and Science: Physical Sciences
- Surveying and Geodesy
- Measuring & Mapping
- National Museum of American History
- Record ID
- nmah_762314
- Metadata Usage (text)
- CC0
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a5-aaa7-704b-e053-15f76fa0b4fa
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