• Extensive use of tabulating devices in business and government takes place between 1910-1920. By 1920, Computing-Tabulating-Recording Company (CTR) has 1,400 tabulators and 1,100 sorters on lease at 650 locations (Norberg, 1990).

• Hollerith sells his Tabluating Machine Company to a group, which Charles Flint heads. New company is CTR. Later is called IBM (Norberg, 1990).
• James Powers, former Census Bureau employee and modifier of Hollerith’s machine used in the census, forms the Powers Accounting Machine Company. Later is called the Sperry Rand Corporation (Norberg, 1990).
• Wilhelm Ostwald founds Die Brücke, an international institute for the organization of intellectual work but fails in his attempt to establish a special international institute to document the field of chemistry.

• Patent for edge notched card is granted to E. C. Molina (Reichman, 1961).

• The Powers Accounting Machine Company introduces a printing tabulator (Norberg, 1990).
• First known use of an optical coincidence subject card system by Horace Taylor, Brookline, MA. Patent describes its use for identification of birds (Thompson, 1961).

• Editor Evan J. Crane publishes first CA decennial index (1907-16), which includes a new means of naming and indexing compounds developed by Austin M. Patterson and Carleton C. Curran (Skolnik & Reese, 1976).
• Abstracts of Bacteriology begins publication.

• The Beilsteins Handbuch der Organischen Chemie makes possible substructure searching.
• Botanical Abstracts begins publication.

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