Eastman high speed motion picture camera captures hummingbird in flight

Typed narrative: "What you have just seen happened actually in ONE SECOND. You have been watching it for some 185 seconds." / Typed narrative: "High-speed motion picture photography calls for illumination of unusual intensity." / Typed narrative: "With a conventional camera (16 frames per second) 2000 watts of incandescent light would yield full exposure on Kodachrome film at f/2.7" / CU two hummingbirds on a branch, one feeds at feeder at N. Y. Zoological Park / (regular speed) / Typed narrative: "The same illumination at f/2.7 yields progressively less exposure as the high-speed camera accelerates." / Slo-mo hummingbird flies near feeder