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File:'Birthplace of a great city' plaque at 823 Grant Avenue, San Francisco.jpg

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Summary

Description'Birthplace of a great city' plaque at 823 Grant Avenue, San Francisco.jpg English: Plaque commemorating the erection of the first building of Yerba Buena (later San Francisco) by William A. Richardson in 1835. Located at the entrance of 823 Grant Avenue (Dick-Young Apartments). The plaque was affixed in 1935 without a copyright notice and is therefore in the public domain.
Date
Source Own work
Author HaeB

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50

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File history

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Date/TimeThumbnailDimensionsUserComment
current18:18, 5 January 2019Thumbnail for version as of 18:18, 5 January 20192,848 × 2,624 (3.78 MB)HaeBCropped 6 % horizontally, 35 % vertically using CropTool with lossless mode.
18:16, 5 January 2019Thumbnail for version as of 18:16, 5 January 20193,024 × 4,032 (5.76 MB)HaeBUser created page with UploadWizard

File usage

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Metadata

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Camera manufacturersamsung
Camera modelSM-G930U
Exposure time1/60 sec (0.016666666666667)
F-numberf/1.7
ISO speed rating50
Date and time of data generation16:42, 6 October 2018
Lens focal length4.2 mm
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Horizontal resolution72 dpi
Vertical resolution72 dpi
Software usedG930UUES4CRH2
File change date and time16:42, 6 October 2018
Y and C positioningCentered
Exposure ProgramNormal program
Exif version2.2
Date and time of digitizing16:42, 6 October 2018
Meaning of each component
  1. Y
  2. Cb
  3. Cr
  4. does not exist
Shutter speed5.906
APEX aperture1.53
APEX brightness3.25
Exposure bias0
Maximum land aperture1.53 APEX (f/1.7)
Metering modeCenter weighted average
Light sourceUnknown
FlashFlash did not fire
Supported Flashpix version1
Color spacesRGB
Sensing methodOne-chip color area sensor
Scene typeA directly photographed image
Exposure modeAuto exposure
White balanceAuto white balance
Focal length in 35 mm film26 mm
Scene capture typeStandard
GPS time (atomic clock)23:42
GPS date6 October 2018
GPS tag version0.0.2.2
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