Manufacture of PC Glass Bricks
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16sd-loan. Pittsburgh. Manufacturing steps are shown. CHEMICALS
Complete catalog record
Category: Ceramics & Glass
Subcategory: Bur.
Type: Slide Film
Subcategory: Bur.
Type: Slide Film
Sources
- Index of Training Films 1946 — title, length, format, description, catalog record
Record added 2026-07-09 22:50:35