J. Casale W2NI
Mecograph Co.
Cleveland, Ohio
From the Telegraph Age,The Telegraph and Telephone Age,
and The Commercial Telegraphers Journal
February 16, 1905
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March 1, 1905
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May 1, 1906
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June 1, 1906
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August 1, 1906
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September 1, 1906
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November 1907
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April 1909
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March 1, 1911
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June 16, 1911
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September 16, 1911
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