File:Atlas-irregular-construction.jpg

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Summary[edit | edit source]

Preferential opening, 1903 rebinding, before treatment. Ptolemy, 1508, Rome, Library of Congress, Geography and Map Division. Image taken by Katherine Kelly. 2017.

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	19:01, 5 April 2021		1,688 × 1,127 (509 KB)	Kkelly (talk \| contribs)	Image taken by Katherine Kelly. 2017.

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The following page uses this file:

BPG Atlases, Foldouts, and Guarded Structures

Metadata

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Image title	Geography and Map Division; G1005 1508
Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D810
Author	Katherine Kelly
Copyright holder	Library of Congress, Conservation Division
Exposure time	1/5 sec (0.2)
F Number	f/16
ISO speed rating	100
Date and time of data generation	12:57, 13 March 2017
Lens focal length	31 mm
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Windows Photo Editor 10.0.10011.16384
File change date and time	14:45, 5 April 2021
Exposure Program	Manual
Exif version	2.3
Date and time of digitizing	12:57, 13 March 2017
APEX shutter speed	2.321928
APEX aperture	8
APEX exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Center weighted average
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
DateTimeOriginal subseconds	23
DateTimeDigitized subseconds	23
Color space	sRGB
Focal plane X resolution	2,048.4022216797
Focal plane Y resolution	2,048.4022216797
Focal plane resolution unit	3
Sensing method	One-chip color area sensor
File source	Digital still camera
Scene type	A directly photographed image
Custom image processing	Normal process
Exposure mode	Manual exposure
White balance	Manual white balance
Digital zoom ratio	1
Focal length in 35 mm film	31 mm
Scene capture type	Standard
Scene control	None
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
Serial number of camera	3048198
Lens used	24.0-70.0 mm f/2.8
Date metadata was last modified	10:04, 16 April 2019
Rating (out of 5)	0
Unique ID of original document	C8EF258DE7D225706DEAD20CF7E3B8D5
Copyright status	Copyrighted
Short title	3981
Keywords	Before Treatment Illumination/Irradiation Location - Books Normal illumination Page opening Tail Treatment State