File:Ishihara 19.PNG

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Summary

Description

Ishihara Plate #19

Date

Unknown date

Source

Unknown source

Author

Original:



Description	Japanese ophthalmologist, university teacher, military personnel and surgeon
Date of birth/death	25 September 1879	3 January 1963
Location of birth/death	Tokyo Prefecture	Shimokawazu
Authority file	: Q530761 VIAF: 15922313 ISNI: 0000000110412031 LCCN: n84154431 NLA: 35963915 Open Library: OL2271623A WorldCat

Licensing

According to Japanese Copyright Law (June 1, 2018 grant) the copyright on this work has expired and is as such public domain. According to articles 51, 52, 53 and 57 of the copyright laws of Japan, under the jurisdiction of the Government of Japan works enter the public domain 50 years after the death of the creator (there being multiple creators, the creator who dies last) or 50 years after publication for anonymous or pseudonymous authors or for works whose copyright holder is an organization.

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File history

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	Date/Time	Dimensions	User	Comment
current	11:48, 11 July 2023	1,440 × 1,440 (1.78 MB)	Aderm Triblitzer	Incorrect version of plate 19 used, image is low-resolution (not matching the rest of Commons Ishihara plates) and does not resolve to any discernable image (line or number 2) in any colorblindness simulator.
	22:31, 12 March 2018	301 × 296 (100 KB)	ToBeFree	NOTE BEFORE REVERTING AGAIN: Plate 19 does intentionally NOT show a number. Google for "Ishihara 19".
	09:23, 14 August 2017	1,440 × 1,440 (1.78 MB)	YeBoy371	Reverted to version as of 13:48, 15 May 2008 (UTC): I can not see pictures.
	02:10, 12 August 2015	301 × 296 (100 KB)	ToBeFree	The current example is very wrong, as it actually contains a (to me, as non-colorblind person) visible number 2. The original Ishihara 19 (now uploaded) works the way it should: While colorblind people might be able to trace a line, non-colorblind pe...
	13:48, 15 May 2008	1,440 × 1,440 (1.78 MB)	Nicoguaro
	00:20, 20 February 2007	1,440 × 1,440 (3.27 MB)	Proletarian Government~commonswiki	Ishihara Plate No.19