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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
X-4
Pickett
USA
Aluminum
1964 or after
25 cm
Engineering or Presentation
Notes:
"Very tastefully designed. Marketed as an ""executive"" slide rule, presumably to be presented as a gift or award. Assigned RRR rarity rating on Oughtred website."
Image 1
Image 2
