Everard Gauging Rule Details

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Item Detail
Dimensions
  • Size = 304mm (W) x 28.5mm (H) x 19.5mm (D)
  • Scale length = 287.5mm
  • Weight = 155g
  • Characteristics = Scales on four sides with 4 slides
Scales

Side A
Upper body
A
 1 - 10 1 cycle logarithmic scale, Gauge Point B at 2.22  G at 2.77
Slide
B
 0.95 - 10 Ditto, Gauge Point G at 2.77
Lower body
MD
 22.2 - 2.22 1 cycle logarithmic scale reversed, folded at 2.22
Side B
Upper body
Seg St
 1 - 8 Non logarithmic scale (continues to lower scale)
Slide
B
 1 - 9.5

1 cycle logarithmic scale
Lower body
S*S
 8 - 100 Non logarithmic scale
Side C
Upper body
---
 1 -3.16 1/2 cycle logarithmic (square root) Gauge Point G at 1.878
Slide
C
 0.95 - 10 1 cycle logarithmic
Lower body
D
 3.16 -10 1/2 cycle logarithmic Gauze Point MS at4.71, MR at 5.31
Side D
Upper body
Seg Ly

0.3 - 4

 Non logarithmic (continues to the lower scale)
Slide
C
 1 -9.5 1 cycle logarithmic
Slide (Back)
---
 0 -11.6 Linear Inch scale
SphD 0 - 7.5 Linear Scale
2D Var 0 - 6.5 Linear Scale
Lower body
S*L
 4 - 100 Non logarithmic



 
 
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