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Conté Alaska Drawing LeadConté Alaska Drawing Lead

Alaska Lead No. 1003

Conté, Paris, France

lead type
lead size
available degrees/colors
package quantity
package composition
production date
origin
graphite
2 mm
5H, full range unknown
6
paper box
(1950s)
France
  
 
Gilbert Conté Heliograph

Heliograph Drawing Lead (Mines Dessin) 7510

Blanzy-Conté-Gilbert, France

lead type
lead size
available degrees/colors
package quantity
package composition
production date
origin
graphite
2 mm
F, (full range unknown)
6
plastic slide tray
(1970s)
France
Heliograph lead has a green coating
presumably to prevent soiling the hands
when handling. 
see also Criterium Leadholder