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Pine Tar Oil Spray Kills Insects and Checks Fungi

Edison and Slosson Talked of Many Things

Ribbon Microphone Keeps Noises out of Sound Movies

First Glances at New Books

“Universe Maker” Begins Tour of American Cities

Man’s Relative Hairlessness Not Due to Wearing Clothes

The Edison Effect: “A Classic of Science”

Hearing Affected by Rigidity of Ossicle Chain

Glaciers Caused Geological Moving Days

Science Loses When Steam Shovel Wrecks Indian Mound

Scientist Obtains Data on Crow Indian Folklore

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