Available online
| Published: | 2000 |
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| Rights Statement: | |
| Restrictions on use: | |
| Duration: | 00:14:08 |
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| Producer: | Jacob Waite |
| Contributor: | Adam Hart-Davis |
| Publisher: | BBC Open University |
| Keyword(s): | Charles Wheatstone; Concertina; Electric telegraph; Photography; William Henry Fox Talbot |
| Master spool number: | DOU10087 |
| Production number: | FEUS066F |
| Videofinder number: | 6441 |
| Available to public: | no |
