Hours of greatest and least activity

Illustration shows different times of the day and the varying degrees of telephone activity at that point of the day.

Publication date: 1897-04-04

Size: 22 x 40.5 cm

Publisher: Tribune Company

Print type: black and white

Language:

• English

Geography:

• Chicago (Ill.)

Subject(s):

• Communication--1890-1900
• Telephones--1890-1900

Genre(s):

• Drawings
• Illustrations

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 (April 4, 1897), Part 5, p. 1

Format(s):

• image/jpeg
• application/pdf