A police dog recently exhibited at Columbia University has learned to understand between 300 and 100 words. The animal obeyed such orders as picking a coin off a table and taking it to various persons indicated. Tbo first form of telegraphy was invented in 1836 by Charles V. heat.stone, who also invented the His system of telegraphy was the “Single Needle,” still in use on some of the British railways.
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Evening Star, Issue 19757, 6 January 1928, Page 2
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70Untitled Evening Star, Issue 19757, 6 January 1928, Page 2
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