Feature

Casting Method Found

[Photograph]: Astronaut’s Earth Guide

Drugs Could Eliminate TB

In Science Fields

Circuits May Be Replaced

Possibility of Mach 15 in Hypersonic Tunnel

Device Measures Cattle’s Stomach Gas Pressure

Fire-Fighting Float Stays Put while Working

Radio Heaters Threaten Air Navigation Safety

USSR’s Chemical Papers Said to Be Ignored Here

Measles Vaccine Not Near

Front Matter