Stadia Match Output


Maker: Boykin 560 Rotarule

Length: ⌀ 13 cm

Gauge Marks: π

Scales Front: L B CT T ST sin x cos S CIF CI C D A K

Scales Back: LL03 LL02 LL01 LL1 LL2 Ll3 C50 V1 V2 DLL D50

Info: Richard Davis Collection
Notes: Spiral scale = 127 cm, 24 scales total both sides including a stadia scale, leather case.
Note that here the degrees are in minutes.