U. S. Bureau of Mines Collection - manganese operations

0022:0446: U. S. Bureau of Mines Collection - manganese operations: "electric furnaces and sintering machine for matte smelting of ores." [sintering= bring to a temperature to almost melt, then coalesce into a solid] [Pyromet bldg.] [c. 1940s] [999.45.26]
0022:0446

U. S. Bureau of Mines Collection - manganese operations: "electric furnaces and sintering machine for matte smelting of ores." [sintering= bring to a temperature to almost melt, then coalesce into a solid] [Pyromet bldg.] [c. 1940s] [999.45.26]

Name/Title

U. S. Bureau of Mines Collection - manganese operations

Entry/Object ID

0022:0446

Description

U. S. Bureau of Mines Collection - manganese operations: "electric furnaces and sintering machine for matte smelting of ores." [sintering= bring to a temperature to almost melt, then coalesce into a solid] [Pyromet bldg.] [c. 1940s] [999.45.26]

Collection

US Bureau of Mines, Boulder City Businesses

Made/Created

Artist Information

Artist

U. S. Dept. of the Interior - Bureau of Mines

Role

Photographer

Date made

1940 - 1949

Notes

Original or Negative: Original [999.45.26]

Location

Location

* Untyped Location

Research Room, Photo Drawer 12

Date

July 8, 2026

Create Date

March 19, 2024

Update Date

July 8, 2026