Stadia Match Output
Number:40a
Maker: Graphoplex 670 Geo-Polytechnique
PHOTO
Length: 30 cm
Gauge Marks: π p' p"
Scales Front: T sec-1 √(1 + φ2) AI A = B √(1-y2) L K CF C = D DI ST S
Scales Back: = B 1-√(1-y2) √(1+φs)-1 sin x cos cos2 & sin x cos =
Info: Gonzalo Martin Collection
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