File:Science and Invention Jan 1922 pg794.png

原始文件(1,200 × 1,725像素,文件大小:1.02 MB,MIME类型:image/png


摘要

描述

Science & Invention, January 1922. Volume 9 Number 9.

The page numbers were on an annual basis, not per issue. This issue had pages 793 to 888. Page 794 is shown. The magazine size is 8 by 11.5 inches (20 by 29 cm).

Published by Experimenter Publishing Company Inc. 233 Fulton Street, New York, NY. Hugo Gernsback, President; Sidney Gernsback, Treasure; R. W. DeMott, Secretary.
日期 Magazine published January 1922, this page scanned July 2008.
来源 This page was scanned by User:Swtpc6800 on an Epson Perfection 1240U at 300 dpi with half-tone de-screening enabled and stored as TIFF. The image was cropped and touched up in Adobe Photo Elements 5.0. This copy saved as a 150 dpi PNG.
作者 Experimenter Publishing Company Inc.
授权
(二次使用本文件)
This magazine was published in the United States before 1923 and is in the public domain.

许可协议

Public domain
Public domain
這一媒體文件在美國屬於公有領域。這可用於版權過期的美國作品,通常這些作品發表於1929年1月1日之前。查看這個頁面可以獲取到更多的解釋。

United States
United States
這一圖片在美國以外可以沒有處於公有領域,特別是對美國作品不適用較短期限法則的國家,如加拿大、中國大陸(不含香港及澳門)、德國、墨西哥和瑞士。作品的作者和發表時間是關鍵信息,並且必須提供。參見 維基百科:公有領域維基百科:版權信息以獲取更多細節。

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当前2008年7月26日 (六) 17:032008年7月26日 (六) 17:03版本的缩略图1,200 × 1,725(1.02 MB)Swtpc6800{{Information |Description=''Science and Invention'', January 1922. Volume 9 Number 9. |Source= This page was scanned by User:Swtpc6800 |Date= Magazine published January 1922, this page scanned July 2008. |Author= Experimenter Publishing Company, New

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