Lafayette Strap-on Telephone Amplifier The Lafayette strap-on telephone amplifier was produced in Japan and marketed under other brand names including Lafayette in the 1960s and 1970s. This strap-on telephone amplifier was basically identical to the Archer strap-on telephone amplifier. For more complete information on these kinds of strap-on phone amplifiers click on the above link. |  | Click picture for larger view | | |   | | | |
| The Lafayette strap-on telephone amplifier was held over the earpiece of the telephone receiver by a rubber strap. It picked up the sound inductively and amplified it for the listener. The amplifier at the right is the model. |  | Click picture for larger view | | | |
| The Lafayette model in its original box, complete with "N" battery. |  | Click picture for larger view | | | |
| The Novel H-R5 1.3 volt mercury "N" battery used in the Lafayette telephone amplifier. |  | Click picture for larger view | | | |
| The original box for the Lafayette strap-on telephone amplifier. View the original instructions that came with the Lafayette model telephone amplifier. |  | Click picture for larger view | | | |
| Strap-on telephone amplifiers are still sold today under a number of brand names. They have taken on a square shape unlike the older round versions.
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