File:KellyAtlasGappingTearsAT.jpg

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Gapping tears after treatment. Carey, American Atlas, 1795, Library of Congress, Geography and Map Division. Image taken by Katherine Kelly. 2018.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:12, 30 July 2021		3,689 × 2,832 (955 KB)	Kkelly (talk \| contribs)	Gapping tears after treatment. Carey, American Atlas, 1795, Library of Congress, Geography and Map Division. Image taken by Katherine Kelly. 2018.

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BPG Atlases, Foldouts, and Guarded Structures

Metadata

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Image title	Geography and Map Division; G1200 .C2 1795 (G & M Vault) Copy 1; American Atlas. Carey, Mathew, 1760-1839
Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D700
Author	Katherine Kelly
Copyright holder	Library of Congress, Conservation Division
Exposure time	1/15 sec (0.066666666666667)
F Number	f/8
ISO speed rating	100
Date and time of data generation	14:46, 20 April 2018
Lens focal length	60 mm
Width	4,256 px
Height	2,832 px
Bits per component	16 16 16
Compression scheme	LZW
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop 21.2 (Windows)
File change date and time	12:10, 30 July 2021
Exposure Program	Aperture priority
Exif version	2.3
Date and time of digitizing	12:02, 13 March 2017
APEX shutter speed	3.906891
APEX aperture	6
APEX exposure bias	2.3333333333333
Maximum land aperture	4 APEX (f/4)
Metering mode	Center weighted average
Light source	Unknown
Flash	Flash did not fire
DateTimeOriginal subseconds	16
DateTimeDigitized subseconds	29
Color space	sRGB
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	Auto exposure
White balance	Manual white balance
Digital zoom ratio	1
Focal length in 35 mm film	60 mm
Scene capture type	Standard
Scene control	None
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
Serial number of camera	2479718
Lens used	60.0 mm f/4.0
Date metadata was last modified	08:10, 30 July 2021
Rating (out of 5)	0
Unique ID of original document	FF72F161163A24A46768FE58D34772D0
Copyright status	Copyrighted
Keywords	After Treatment Normal illumination Page opening PECA 918
Short title	4219