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Chemical Economy Company photographs

 Collection — Folder: SP006
Identifier: SP006

Scope and Contents

This collection contains eight photographs showing the production processes related to removing metal deposits from slag at the Chemical Economy Company. These photographs were taken circa 1920s.


  • circa 1920

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 Chemical Economy Company completed work with removing metal deposits, especially silver, from slag during the 1920s. Not much can be found on this company, its origins, or its location. The Chemical Economy Company was most likely in Indiana.


0.01 Cubic Feet (1 folder)

Language of Materials



This collection is arranged by subject.

Custodial History

This collection was received by Rare Books and Manuscripts as a donation.


No further additions are expected.

Item List

Electric Silver Smelting Furnace, pouring off slag

Technical staff

#1 Unit Precipitating Tank

Electric Motor, generator set, Silver and Brass Electric Furnaces, Transformer room

Electric Silver Smelting Furnace, capacity 500 lbs. material, pouring the silver, usual quantity of silver recovered from one charge 2500 ounces

Loading Platform

Mill and Concentrator, for the recovery of values from slag

Barrel storage, mill in foreground

Processing Information

Collection processing completed in 2004 by Amy C. Belcher. EAD finding aid created in 2004 by Amy C. Belcher.
Chemical Economy Company photographs
Description rules
Describing Archives: A Content Standard
Language of description
Script of description

Repository Details

Part of the Rare Books and Manuscripts Repository

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