Feature

Rifling of Gun Barrels Improved by New System

No Shortage of Wool

Surgeons Patch Gloves, Conserve Drugs, AMA Asks

Bats Caught in Road Oil; Recalls Ice Age Tragedy

Chemical Group Important to Life; Present in Food

English Game Birds Now Do Damage to Crops

Cotton Picking Machines Work like Vacuum Cleaner

Nettles Used to Make Paper by Scottish Firm

New Machines and Gadgets

Books Just off the Press

Front Matter

Birth Rate Will Drop