| | ID. | Descrizione | Modello | Produttore | Data Pr. | Nr.Seri | Pag. | Reg1 | Reg2 | Reg3 | 4 |
| 6 | | TRIUMPHATOR | HN | Triumphator Werk Heer & | 1951 | 95820 | 4 | 10 | 8 | 13 |
| 130 | | TRIUMPHATOR | C | Alleininge Fabrikanten | 1920 | 42719 | 6 | 9 | 8 | 13 | 0 |
| 11 | | TRIUMPHATOR | CN1 | Triumphator (non | 1954 | 191387 | 8 | 10 | 8 | 13 |
| 121 | | TROGER | K. EMIL TROGER | 1933 | 6 | 0 | 0 | 0 | 0 |
| 4 | | VAUCANSON | AVA 13 | 1955 | 30289 | 5 | 13 | 8 | 13 |
| 80 | | VICTOR | CHAMPION | Victor Adding Machine | 1950 | 1129-173 | 6 | 0 | 7 | 0 |
| 13 | | WALTHER | WSR 160 | Walther Buromaschinen | 1957 | 182895 | 6 | 10 | 8 | 15 |
| 100 | | WALTHER | RM | Carl Walther Adt | 32928 | 7 | 10 | 8 | 13 | 0 |
| 116 | | WASHINGTON | H 39 | Washington - Savona | 1944 | 404 | 8 | 0 | 0 | 0 | 0 |
| 82 | | WEBB THE ADDER | THE ADDER | C.H. WEBB | 1889 | 1677 | 7 | 0 | 0 | 0 | 0 |
| 72 | | WIZARD | CALCULATING | West Germany | 1950 | 6 | 8 | 9 | 0 | 0 |
| | MACHINE |
| 126 | | WOOD CALCULATOR | 1915 | 5 | 0 | 0 | 0 | 0 |
| 127 | | WOODEN CALCULATOR | 6 | 0 | 0 | 0 | 0 |
| 93 | | ZMA | prodotta in URSS fabbrica | 5 | 11 | 0 | 27 | 0 |
| | sabato 5 gennaio 2002 | Pagina 5 di 5 |