Title
Whisper Writer 1000 Acoustic AdapterCatalog Number
102638267Type
Physical objectDate
Circa 1982Manufacturer
3M Company. Business Communications DivisionPlace Manufactured
U.S.Identifying Numbers
| Model number | 1490 |
| Serial number | 107337 |
Dimensions
2 1/2 x 9 3/8 x 3 in.Category
interconnect/network/modem
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| 102638266 | Whisper Writer system carrying case |