Pickett N902

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Pickett N 902-ES Simplex Trig

Obverse
Obverse
Reverse
Reverse
  • Type: Trig Simplex
  • Size: 10 Inches
  • Material: Aluminum
  • Scales:
    • Front: K A [ B T S CI C ] D L
    • Back: Instructions
  • HvH: 2178

The successor to the 901, adds trig functions and updated instructions.

Three copies in the collection:

Number 1: Low-glare yellow base color. Brown, faux leather sewn paperboard case marked "KREIDER" in permanent marker. Reverse of rule describes basic operations of rule and includes decimal fractions to 1/64.

Number 2: As above, but with grey, sewn paperboard case. Gift of Sara Teller.

Number 3: As above with reddish case. Gift of Ken Osburn.

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