Feature

Hear Star’s Twinkle Now

[Photograph]: Powerful Magnet

Office Discussions Help

Hydrazine Fluxes Basic in New Soldering Method

In Science Fields

War Worries Children, Too

Electrically Heated Smudge Pots to Protect Orchards

New Machines and Gadgets

New British Process for Superphosphate Fertilizers

Books of the Week

Better Fuels from Shale

Spring Time for Ticks