Eastman Duplicating Film – Its Properties and Uses 1927

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This is a booklet issued in 1927 by Eastman Kodak on the introduction of the first film specifically designed for duplicating which I believe to be Eastman Duplicating Film Type 1503 released in Dec 1926 in the UK..  The book contained some sample frames which I have done my best to match.

Click here for PDF of booklet.