"Moving Picture World" (November 6, 1909 Vol.5 No.19) pp.642 -
The negative was rushed to New York by special messenger, reaching the office of the Kalem Company on Saturday morning. Dried and finished positive prints were ready on Saturday afternoon in time to catch the Chicago Limited and were shown in Chicago the following evening one thousand miles away.
The Moving Picture World (November 13, 1909 Vol.5 No.20) -
"The Johnson-Ketchel fight pictures at the People's Theater this week did S. R. O. business and were a fine set of fight pictures, clear as crystal, being about 4,000 feet in all, and the finish being one of the most exciting rounds ever produced by a moving picture machine."
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If this was true the picture length was about 1 hour.