The graphic laboratory of popular science : sulphamic acid crystals

Photograph of magnified sulphamic acid crystals.

Publication date: 1938-09-04

Size: 13.8 x 15.3 cm

Publisher: Tribune Company

Print type: black and white

Language:

• English

Genre(s):

• Documentary photographs
• Photographs

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 (September 4, 1938), p. 6

Format(s):

• application/pdf
• image/jpeg

Contributor(s):

• E.I. du Pont de Nemours & Company