Amerikanische Maschinen
 |
 |
 |
 |
| Burroughs | Rapid Computer | Burroughs | Burroughs Calculator Klasse 5 |
 |
 |
 |
 |
| Burroughs Portable | Sundstrand | Comptometer | Comptometer |  |
 |
 |
 |
| Monroe | Monroe | Burroughs | Burroughs |
 |
 |
 |
 |
| Burroughs | Monroe | Comptometer | Comptometer |
 |
 |
 |
 |
| Friden | Monroe K161 | Burroughs Portable | Adding Machine Nr.5 |
©16.01.2004
W. Girbardt