WIRE FOR SOUND
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Shows various techniques of cable manufacturing, starting with the melting of copper and following the processes until the cable is placed in use by the telephone company
Complete catalog record
Source: BellTel
Interest level: sh-ad
Price: free-loan
Format: sd b&w
Interest level: sh-ad
Price: free-loan
Format: sd b&w
Sources
- Educational film guide. Supplements (1959-62) — title, year, creator, length, format, color, sound, description, catalog record
Record added 2026-07-06 16:24:03