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eine kleine Auswahl...
(größeres Bild 112k)
1/22
Disponent
1/22/322
Disponent
1/54
Darmstadt
1/60/360
1/87
Rietz
1/98
Elektro
2/83
Novo-Duplex
2/84 N
Mathema
4/54 Darmstadt
20/66/SL
Typometer
51/39/339
51/94/317
Schulrechenstab
System Rietz
52/80
Mentor
52/81
Novo-Mentor
52/82
D-Stab
55/91
57/22
Disponent
57/86
Columbus
57/87
Rietz
57/88
Rietz N
57/89
Log-Log
62/82
Duplex
62/83
Novo Duplex
63/39
63/91
63/91 R
Addiator
67/22
Disponent
67/54 b
Darmstadt
67/87
67/91
111/22
Disponent
111/54
Darmstadt
111/87
Rietz
338/s
375
System Rietz
TCoCD
Bilder
Rechenschieber
Faber Castell
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