Nitrogen is a most unreliable and unsociable element. Like Kipling's cat it walks by its wild lone.


Creative Chemistry, Chapter II (p. 16), The Century Co. 1919


Nitrogen is a most unreliable and unsociable element. Like Kipling's cat it walks by its wild lone.

Nitrogen is a most unreliable and unsociable element. Like Kipling's cat it walks by its wild lone.

Nitrogen is a most unreliable and unsociable element. Like Kipling's cat it walks by its wild lone.

Nitrogen is a most unreliable and unsociable element. Like Kipling's cat it walks by its wild lone.