Chemicals from the air, vital on farm and battlefield : diagram showing nitrate extraction formulae now in use

Diagram compares the extraction formulae and byproducts involved in nitrogen extraction from 1913 to 1929.

Publication date: 1934-11-04

Size: 5.8 x 9.8 cm

Publisher: Tribune Company

Print type: grayscale

Language:

• English

Subject(s):

• Chemical industry--1930-1940
• Nitrates--1930-1940

Genre(s):

• Charts
• Diagrams

Type(s):

• still image
• text

Copyright(s):

• These materials are either in the public domain, according to U.S. copyright law, or permission has been obtained from rights owners. The digital version and supplementary materials are available for all educational uses worldwide.

Is part of:

• The Janet A. Ginsburg Chicago Tribune Image Collection

Source(s):

• Chicago Sunday Tribune (November 4, 1934), p. 2

Format(s):

• application/pdf
• image/jpeg