Picture No | 10105040 |
Date | 1897 |
Description | UPRIGHT TELEPHONE 1897 |
Details |
This hand-held instrument replaces the pillar model, with a lift-off combined receiver and speaker, standard for all future models.
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Source | Engraving by an unnamed artist in 'Das Buch der Erfindungen' volume 3, page 565 |
Credit | Mary Evans Picture Library |
Restrictions |
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