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Dodge in cooperation with USBM. Shows the conversion of nodes into chemically pure copper by the electrolytic process.
Complete catalog record
Category: Materials & Metals
Subcategory: Copper
Type: Motion Picture
Source: Ph
Format code: 16si
Subcategory: Copper
Type: Motion Picture
Source: Ph
Format code: 16si
Sources
- Index of Training Films 1946 — title, year, creator, length, format, sound, description, catalog record
Record added 2026-07-09 22:50:41