Papers Past | Newspapers | Nelson Evening Mail | 1 February 1936

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site end of the tube, they are posD lively charged, The electro-static field between these , two charges 'focuses the electrons. They converge to male clear images on a glass screen, which is the end of tube, opposite the receiving lens. This screen is the ne\y mechanical retina,

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https://paperspast.natlib.govt.nz/newspapers/NEM19360201.2.18

Bibliographic details

Nelson Evening Mail, Volume LXIX, 1 February 1936, Page 3

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Untitled Nelson Evening Mail, Volume LXIX, 1 February 1936, Page 3

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