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File:AERIAL VIEW LOOKING NORTH, SHOWING SITE - Faro de Puerto Ferro, Isla de Vieques, Vieques, Vieques Municipio, PR HAER PR,8-PUFE,1-9.tif

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AERIAL VIEW LOOKING NORTH, SHOWING SITE - Faro de Puerto Ferro, Isla de Vieques, Vieques, Vieques Municipio, PR
Title
AERIAL VIEW LOOKING NORTH, SHOWING SITE - Faro de Puerto Ferro, Isla de Vieques, Vieques, Vieques Municipio, PR
Description
U.S. Department of Commerce; Central Lighthouse Commission; Murphy, Kevin, transmitter; Morales, Luis, photographer; Nistal-Moret, Benjamin, historian
Depicted place Puerto Rico; Vieques Municipio; Vieques
Date Documentation compiled after 1968
Dimensions 4 x 5 in.
Current location
Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA http://hdl.loc.gov/loc.pnp/pp.print
Accession number
HAER PR,8-PUFE,1-9
Credit line
This file comes from the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER) or Historic American Landscapes Survey (HALS). These are programs of the National Park Service established for the purpose of documenting historic places. Records consist of measured drawings, archival photographs, and written reports.

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Notes
  • Significance: Puerto Ferro Light was established in 1896 as an octagonal tower on top of a rectangular dwelling. Its primary characteristics were a 5th order white flashing light every 5 seconds and a 12 mile range. The evidence is not clear as to lens and lantern manufacturer since it might have been either a 5th order lenticular Sautter and Cie. (USLHS #510 ?) lens with 37.5 cm. in diameter or a 1899 lenticular Barbier and Bernard 5th order lens also with the same diameter. The available information for each lens differs considerably. The Sautter lens had 4 panels; 2 flashing panels; 4 panels above the central drum and 5 prisms in each panel above the central drum and 3 prisms below. The 1899 Barbier lens had one panel in the apparatus, 3 elements in the central drum and 6 prisms on each panel above the central drum. The light was reflected by a silver plated metallic parabolic reflector. The entire lens revolved on a mercury float. The system was activated by a clockwork. The clock cord had a 200 lb. weight that dropped through the center column in the tower's cast-iron stairway.
  • Survey number: HAER PR-22
  • Building/structure dates: 1896 Initial Construction
  • Building/structure dates: 1926 Subsequent Work
Source https://www.loc.gov/pictures/item/pr0045.photos.144076p
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.
Object location18° 08′ 57.98″ N, 65° 26′ 43.01″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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current10:21, 1 August 2014Thumbnail for version as of 10:21, 1 August 20145,000 × 4,001 (19.08 MB)Fæ (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 31 July 2014 (3000:3200)

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