| | ID. | Descrizione | Modello | Produttore | Data Pr. | Nr.Seri | Pag. | Reg1 | Reg2 | Reg3 | 4 |
| 85 | | PLUS | 509 | Bell Punch Company | 1957 | F/90458 | 5 | 9 | 0 | 10 | 0 |
| 49 | | PRECISA | Made in Swiss | 4 | 0 | 0 | 0 | 0 |
| 107 | | PRECISE | Chicago Illinois by Precise | 1946 | 2402549 | 7 | 7 | 0 | 0 | 7 |
| 137 | | PREDOM | KR13 | Mesko - Made in Poland | 75296 | 4 | 0 | 0 | 0 | 0 |
| 28 | | PRODUX | Record | 1910 | 6 |
| 118 | | RAPID CALCULATOR | The Rapid Calculator Co. | 1923 | 4472 | 7 | 10 | 9 | 18 | 0 |
| 102 | | REGINA | B 8 | Made in West Germany | 1950 | 5 | 8 | 0 | 8 | 0 |
| 128 | | REMA | II | Braunschweiger | 1915 | 8897 | 6 | 9 | 8 | 13 | 0 |
| 125 | | RESULTA | P9 | Made in West Germany | 1940 | 8 | 9 | 0 | 9 | 0 |
| 105 | | RESULTA | 7 | Made in West Germany - | 1966 | 5 | 7 | 0 | 7 | 0 |
| 104 | | REUMONT | Table Intuitives | S.G.D.G. brevete | 7 | 0 | 0 | 0 | 0 |
| 43 | | S.G. | Rapid Calculator | 7 | 0 | 0 | 0 | 0 |
| 86 | | SIGMA | 52 S | Made in Italy | 1954 | Nr.4-30064-I | 7 | 10 | 8 | 13 | 0 |
| 101 | | SOLO ADDER | Solo Calculating Machine | 1970 | 8 | 7 | 0 | 7 |
| 97 | | STIMA | Albert Steinmann, | 1933 | 31957 | 7 | 9 | 0 | 9 | 0 |
| 39 | | SUMMIRA 9 | West German | 30902 | 7 | 9 | 0 | 9 | 0 |
| 99 | | THACHER | 4012 | Keuffel and Esser | 1881 | 4003 | 5 | 0 | 0 | 0 | 0 |
| 114 | | THE BRICAL - MONEY | The British Calculator Ltd | 1905 | 25290 | 7 | 0 | 0 | 0 | 0 |
| | CALCULATING MACHINE |
| 112 | | THE EDUCATED MONKEY | 1916 | 7 | 0 | 0 | 0 | 0 |
| 142 | | TIM | 1 | by Ludwing Spitz and | 1907 | 6 | 0 | 0 | 0 | 0 |
| 1 | | TOOD ADDING MACHINE | The Tood Company | 1922 | 38579 | 6 | 9 | 9 |
| 41 | | TOTALIA | Trade Totalia Mark - Italy - | 1960 | 8 | 0 | 0 | 0 | 0 |
| 27 | | TOTALIA | 6 |
| 92 | | TRIUMPAHTOR | CRN | 1950 | 158966 | 6 | 10 | 8 | 13 | 0 |
| 48 | | TRIUMPHATOR | CN | 1954 | 95541 | 4 | 10 | 8 | 13 | 0 |
| 25 | | TRIUMPHATOR | CRN2 | 1955 | 265490 | 5 | 10 | 8 | 13 |
| 46 | | TRIUMPHATOR | B | The Triumphator | 1900 | 2447 | 8 | 9 | 7 | 13 | 0 |
| 132 | | TRIUMPHATOR | K1 | 1936 | 105633 | 4 | 10 | 8 | 13 | 0 |
| | sabato 5 gennaio 2002 | Pagina 4 di 5 |