Feature

Crude-Oil Reserves Reached New Peak on January 1, 1941

Nostril Closing Found Not so Rare as Believed

[Photograph]: Fire Gun

Front Matter

Pectin May Be Substituted for Blood in Treating Shock

Plenty of Vitamin A Is Available for U. S.

Research on Cotton Hosiery Now Attracting Attention

Bad Tempers, Inefficiency, Traced to Lack of Vitamin $text{B}_{1}$

In Science Fields

Telephone for Use while Wearing Gas Mask Patented

Nature Ramblings: Records of Healing

Importance of Tin to Defense Stressed in Minerals Yearbook