University of Illinois Urbana-Champaign

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Showing 2461–2490 of 6,100 items
Thumbnail for Resistance to flow through locomotive water columns
Resistance to flow through locomotive water columns
Talbot, Arthur Newell; Enger, Melvin Lorenius

Thumbnail for Tests of water motors
Tests of water motors
Boyle, Clarence; Spierling, Arthur Otto

Thumbnail for Sex Ratios and Age Ratios in North American Ducks
Sex Ratios and Age Ratios in North American Ducks
Bellrose, Frank Chapman; Scott, Thomas G.; Hawkins, Arthur Stuart; Low, Jessop B.