Description
1912 Vibroplex Model X Bug-Telegraph Key – SN 11090
Horace G. Martin
New York
| Type | Description | First Made | Serial Number Range |
| B3 | 5 lines, 3 patent dates, O.P. | 1912 | 10687 to 11643 (Model X) |
Very good condition
1912 Vibroplex Model X Bug-Telegraph Key – SN 11090
$1,200.00
SN 11090
