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File:Patented Yazu Arithmometer.jpg

Patented_Yazu_Arithmometer.jpg(301 × 213 pixels, file size: 9 KB, MIME type: image/jpeg)


English: Schematic of Yazu Arithmometer, Fig 1, patented in 1903
日本語: 1903年に特許を得た矢頭良一の「自働算盤」の第壹圖
Date Up loaded on March 15, 2009
Source Source:
Author Up loaded by Namazu-tron


Public domain According to Japanese Copyright Law the copyright on this work has expired and is as such public domain. According to articles 51 and 57 of the copyright laws of Japan, under the jurisdiction of the Government of Japan all non-photographic 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.

Note: Use {{ PD-Japan-oldphoto}} for photos published before December 31, 1956.

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