File:The New California Sugar Refinery, 1881. (Cropped and enhanced).jpg

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Summary

Description
English: Claus Spreckels's newly-opened California Sugar Refinery at Potrero Point, 1881. Cropped and digitally enhanced.
Date
Source Derivative work of File:The New California Sugar Refinery, 1881. (OAC scan).jpg. Original: https://oac.cdlib.org/ark:/13030/tf3b69p1t8/
Author Britton & Rey, lithographers; Supplement to San Francisco News Letter, December 17, 1881 (Christmas Number)

Licensing

Public domain
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:The_New_California_Sugar_Refinery,_1881._(Cropped_and_enhanced).jpg
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Captions

Claus Spreckels's newly-opened California Sugar Refinery at Potrero Point, 1881. Cropped and digitally enhanced: 1) tilt and perspective correction, 2) cropped to main picture, 3) contrast stretch and gamma adjustment, 4) sharpen (unsharp mask).

Items portrayed in this file

depicts

inception

17 December 1881Gregorian

data size

532,791 byte

height

982 pixel

width

1,368 pixel

media type

image/jpeg

checksum

c8834fb1404ec09f5a3d1648df508ad480926e7c

determination method or standard: SHA-1

File history

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Date/TimeThumbnailDimensionsUserComment
current23:04, 17 April 2025Thumbnail for version as of 23:04, 17 April 20251,368 × 982 (520 KB)wikimediacommons>Peter G WernerUploaded a work by Britton & Rey, lithographers; Supplement to San Francisco News Letter, December 17, 1881 (Christmas Number) from Derivative work of File:The New California Sugar Refinery, 1881. (OAC scan).jpg. Original: https://oac.cdlib.org/ark:/13030/tf3b69p1t8/ with UploadWizard

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