Tree rings : Arthur Koehler

Botanist Arthur Koehler, wood technologist at the U.S. Forest Products Laboratory, examines a wood sample in a microscope. The sample was from the ladder used in the 1932 kidnapping and murder of Charles Augustus Lindbergh, Jr.

Publication date: 1935-03-10

Size: 24.1 x 14.5 cm

Publisher: Tribune Company

Print type: grayscale

Language:

• English

Subject(s):

• Homicides--New York (State)--New York--1930-1940
• Lindbergh, Charles Augustus, 1930-1932--Kidnapping, 1932
• Microscopes--1930-1940
• Scientists--American--1930-1940
• Wood--New York (State)--New York--1930-1940
• Koehler, Arthur
• Forest Products Laboratory (U.S.)--People--1930-1940

Genre(s):

• Photographs
• Portrait 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 (March 10, 1935), Part 7, p. 11

Format(s):

• application/pdf
• image/jpeg

Contributor(s):

• Associated Press