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  Koh-I-Noor 5618 (smooth barrel)

Koh-I-Noor 5618

(smooth barrel)

Koh-I-Noor Rapidograph Inc., Bloomsbury, New Jersey, USA

lead diameter
mechanism
composition
variations
production date
origin
2 mm
pushbutton incremental advance clutch
plastic barrel, metal fittings
none
circa 1975 to (1979)
Italy
   
see also Koh-I-Noor Rapidograph catalog, 1980, p 30
Koh-I-Noor Rapidograph catalog, 1985, p B-2
  Koh-I-Noor 5618 (grooved barrel)
This later version has a grooved barrel and a "shelf" on which the imprint is located.

Koh-I-Noor 5618

(grooved barrel)

Koh-I-Noor Rapidograph Inc., Bloomsbury, New Jersey, USA

lead diameter
mechanism
composition
variations
production date
origin
2 mm
pushbutton incremental advance clutch
plastic barrel, metal fittings
none
circa 1980s
Italy
   
special features
see also
Koh-I-Noor 5618 boxed

Koh-I-Noor 5618 instructions
  Koh-I-Noor K20-Matic
courtesy Luca Panaro collection

Koh-I-Noor K20-Matic

L&C Hardtmuth AG, Austria

lead diameter
mechanism
composition
variations
production date
origin
2 mm
pushbutton incremental advance clutch
plastic barrel, metal fittings
unknown
1980s
Italy
   
  Koh-I-Noor K33
courtesy Luca Panaro collection

Koh-I-Noor K33

L&C Hardtmuth AG, Austria

lead diameter
mechanism
composition
variations
production date
origin
2 mm
pushbutton spring clutch
plastic barrel, metal fittings
(barrel color?)
1980s
Italy
   
see also Koh-I-Noor 5613