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Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
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Noise-Figure Slide Rule
Perrygraf for Cutler-Hammer / Airborne Instruments Lab
USA
Cardstock
c. 1964
8.7 cm x 17.5 cm
Electronics Industry
Notes:
Used to calculate noise-figure for receivers using diode noise generators
Image 1
Image 2