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A depression position finder used to locate targets at ranges of between 1,500 and 12,000 yards

A depression position finder used to locate targets at ranges of between 1,500 and 12,000 yards

A depression position finder (PDF) is an observation instrument that was used in the fire control system of the United States Coast Artillery to locate targets in range and/or azimuth as part of the process of directing the fire of a battery of coast defense guns or mortars.

Abbr=WE

U.S. National Park Service

Reflective Art

Government owns art and all reproduction rights.

Public domain

Fortifications/Coastal Defenses, (HFC ArtTheme)
, Graphite on paper, (HFC ArtMedium)

Image

Fort Washington Park, Code: FOWA

Fort Washington Park, Prince George's County, Maryland
Latitude: 38.7122001647949, Longitude: -77.0287017822266

Image Management System : IMS 05305

HFC Commissioned Art Collection

20190904

01/01/1985 - 12/30/1985

Image_Size=6" x 7"; Exhibit 1/Graphic # 1-13

O 4

Public Can View

Copeland, Peter

Organization: Harpers Ferry Center
Address: Harpers Ferry Center, 67 Mather Place, Harpers Ferry, WV, 25425, 304-535-5050

Monday, October 7, 2019 2:51:18 PM

Monday, October 7, 2019 2:51:18 PM

05305.JPG

jpg

18.3 kB

Museum

Harpers Ferry Center