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 173

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 173 — C5BOT The Whyfor of That Extra- Hour of Darkness in the Morning … FEATURING SIMPLE SUBJECTS Why No Boat Can Withstand a Torpedo. Thisarticle is devoted to an explanation of the principles ofbuoyancy governing the design of ships. By picturing thedifficulties an urchin meets in trying to keep a floatingtomato can upright until he discerns that he must put…

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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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