MAKE A MEME View Large Image Malling Hansen 1872.png en The British periodical The Engineer reported from the Copenhagen Exhibition of 1872 a couple of times including a piece in its August 2 1872 issue Here is what is described as a new version of the Writing Ball ...
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Keywords: Malling Hansen 1872.png en The British periodical The Engineer reported from the Copenhagen Exhibition of 1872 a couple of times including a piece in its August 2 1872 issue Here is what is described as a new version of the Writing Ball designed by R Malling Hansen This version had the paper placed on a flat surface making it easier to read during typing and easier to replace when completed The Engineer 1872-08-02 page 69 author 1872 Hansen Writing Ball PD-old-70-1923
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