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P.R. Mallory and Company Inc. calendar

 Collection — Folder: S0828
Identifier: S0828

Scope and Contents

This collection includes a 1940 calendar printed by the P.R. Mallory and Company Inc. of Indianapolis, Indiana. For each month, the calendar contains photographs of company employees participating in a variety of activities, both business and social.


  • 1940

Conditions Governing Access

This collection is open for research.

Conditions Governing Use

Legal title, copyright, and literary rights reside with Rare Books and Manuscripts, Indiana State Library, Indianapolis, IN. All requests to publish or quote from manuscripts must be submitted to Rare Books and Manuscripts.

Historical Note

The P.R. Mallory and Company Inc. was founded by Philip Rogers Mallory (1885-1975) in 1916 at Port Chester, New York. The company started out manufacturing tungsten wire light bulb filaments and later manufactured other electronic components such as batteries and capacitors. An international electrical and electronics business, Mallory moved the company to Indianapolis in 1929. The company is now known as Mallory Sonalert Products, Inc. and the company continues to be an innovator of new electronic products.


Mallory Sonalert Products. "100 Years of History." Accessed April 19, 2017.

"Philip Mallory Dies; Founder Of Company." Indianapolis Star (IN), November 17, 1975.


0.02 Cubic Feet (1 folder)

Language of Materials



This collection is arranged chronologically.

Custodial History

This collection was received by Rare Books and Manuscripts as a donation from the Indianapolis Public Library on 2017/01/28.


No further additions are expected.

Processing Information

Collection processing completed 2017/04/19 by Laura Eliason. EAD finding aid created 2017/04/19 by Laura Eliason.
P.R. Mallory and Company Inc. calendar
Description rules
Describing Archives: A Content Standard
Language of description
Script of description
Code for undetermined script

Repository Details

Part of the Rare Books and Manuscripts Repository

140 North Senate Avenue
Indianapolis, Indiana 46204 U.S.A.