File:T A Edison 1stPatent.jpg

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English: Thomas Elba Edison's first patented invention, an Electric Voting Machine.
湯馬士.艾爾巴.愛迪生第一件嘅專利發明品---電氣投票紀錄機。議員只要按檯上面嘅「贊成」或「反對」制,議長就可以睇到票決結果嘅數字。但冇實際用應到。
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current06:08, 28 November 2006Thumbnail for version as of 06:08, 28 November 2006500 × 456 (120 KB)And927~commonswiki (talk | contribs)'''湯馬士.艾爾巴.愛迪生'''第一件嘅專利發明品---'''電氣投票紀錄機'''。議員只要按檯上面嘅「贊成」或「反對」制,議長就可以睇到票決結果嘅數字。但冇實際用應到。

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