Publicity methods for engineers; the proceedings of the first National conference on public information held under the auspices of the American association of engineers (1922)

National Conference on Public Information. 1st, Chicago, 1921, American Association of Engineers · Chicago, American Association of Engineers · leaf 178

An illustration from Publicity methods for engineers; the proceedings of the first National conference on public information held under the auspices of the American association of engineers, 1922, leaf 178

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Publicity methods for engineers; the proceedings of the first National conference on public information held under the auspices of the American association of engineers (1922)

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