Scientific American Magazine

Science in the Shape of Infra-red Photography and the X ray Brings to Light at Last the Real Man Beneath the Surface of a Series of Paintings of the Bard

One Device Dissects Noises, Analyses Them, A Second Finds Vibration Sounds, A Third Determines Expansion of Metal Which Makes Hum

Prints Roughly Resembling Human Footprints, and Found in Very Ancient Rocks, Would Greatly Add to Mans Antiquity

Re-Construction of Our Large Stocks of Wartime 75mm Guns Would Give Them Longer Range, High Elevation, Wide Traverse

Klystron, Generator of Powerful Ultra High-Frequency Radio Waves, Useful in Blind Landing System for Planes

American Archeological Excavations at an Arm of the Red Sea Bring to Light a Buried City with a Smelter in which King Solomon Refined his Copper