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Mechanical / Analogue
faber-castelle
Faber-Castelle 67/87Rb Rietz
111/54A
Pickett
Microline 120
N-903T
Sun Hemmi
No.1762
No.1768C
No.1771
341 3215
Geotec 341 3526
other
K&E 4053-2
MB-4A
Nestler Nr.11D
Sterling No.594
Abacus
Kempten Bayern Planimeter