File:Interior of a stamp mill, Los Angeles(?), ca.1900 (CHS-5155).jpg

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Description
English:
Interior of a stamp mill, Los Angeles(?), ca.1900
Photograph of the interior of a stamp mill, Los Angeles(?), ca.1900. The mill is about three-stories tall, constructed mainly of wood, and has a sloping roof. Eight coffin-shaped boxes used to hold conveyor belts allow the two workers to sift through the crushed rocks or ores. Eventually, the crushed materials fall into a container at the end of the conveyor belt. At the start of each conveyor belts are cylindrical heads made of metal. They are attached to pistons and in turn are attached to some kind of mechanical device on the second floor. Two men sit on the ledge and appear to be overseeing the process on the second floor. Two men on the first floor are looking through the crushed materials that roll down the conveyor belts. Light bulbs hung from electrical cords attached to the building's structural beams dangle freely just above the conveyor belts.; "Stamp mills are used to pulverize ore, salt, rocks, etc., into powder form or until they could pass through a 30-mesh screen. Miners would bring their gold bearing rocks to get the gold ore out. If they did not own a stamp mill, typically, they had to pay the owner of the mill a certain amount of gold to use the stamp mill. Stamp mills consists of heavy iron heads on vertical shafts. Horizontal shafts are turned by some mechanical means to move the vertical stem up and down (similar to piston heads on cam shafts)." -- unknown author.
Call number: CHS-5155
Photographer:
C. C. Pierce  (1861–1946)  wikidata:Q61995887
 
Alternative names
Charles C.
Description American photographer
Date of birth/death 22 November 1861 Edit this at Wikidata 7 November 1946 Edit this at Wikidata
Location of birth Springfield
Authority file
creator QS:P170,Q61995887
:Filename: CHS-5155
Coverage date: circa 1900
Part of collection: California Historical Society Collection, 1860-1960
Format: glass plate negatives
Type: images
Part of subcollection: Title Insurance and Trust, and C.C. Pierce Photography Collection, 1860-1960
Repository name: USC Libraries Special Collections
Accession number: 5155
Microfiche number: 1-111-56
Archival file: chs_Volume98/CHS-5155.tiff
Repository address: Doheny Memorial Library, Los Angeles, CA 90089-0189
Geographic subject (country): USA
Format (aacr2): 2 photographs : glass photonegative, photoprint, b&w ; 17 x 22cm., 21 x 26 cm.
Rights: Digitally reproduced by the USC Digital Library; From the California Historical Society Collection at the University of Southern California
Subject (adlf): mine sites
Project: USC
Repository email: specol@usc.edu
Contributing entity: California Historical Society
Date created: circa 1900
Publisher (of the digital version): University of Southern California. Libraries
Format (aat): photographic prints; photographs
Geographic subject (state): California
Legacy record ID: chs-m17303; USC-1-1-1-14107
Access conditions: Send requests to address or e-mail given. Phone (213) 821-2366; fax (213) 740-2343.
Subject (file heading): Mining -- General
Subject (lcsh): Mines and mineral resources
Date circa 1900
date QS:P,+1900-00-00T00:00:00Z/9,P1480,Q5727902
(date created)
Source http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll65/id/17305
Author
C. C. Pierce  (1861–1946)  wikidata:Q61995887
 
Alternative names
Charles C.
Description American photographer
Date of birth/death 22 November 1861 Edit this at Wikidata 7 November 1946 Edit this at Wikidata
Location of birth Springfield
Authority file
creator QS:P170,Q61995887

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Public domain
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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current13:30, 30 January 2014Thumbnail for version as of 13:30, 30 January 20145,100 × 4,008 (1.34 MB)Fæ (talk | contribs)== {{int:filedesc}} == {{Information |description={{en|1=<br> :''Interior of a stamp mill, Los Angeles(?), ca.1900 :Photograph of the interior of a stamp mill, Los Angeles(?), ca.1900. The mill is about three-stories tall, constructed mainly of wood, a...

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