SIDA Ruyi 1001

Country of manufacture: China,            Date of manufacture: ____,          Serial/Batch: 655
Overall length: 34.0 cm,          Width: 4.8 cm,           Weight: 137.9 gms
Materials: PVC stators and slide, metal end braces, adjustable
Cursor: 3.8 X 5.8 X 0.9 cms; metal runners holding plastic lens, adjustable; lines = two on front, one on back
Scales: 22, extensions on A, B, C, D
Front: T, ST, DF [ CF, CIF, CI, C ] D, P, S
Back: LL01, LL02, LL03, A [ B, L, K, C ] D, LL3, LL2, LL1
Gauge Marks: [ π, e, ρ'', ρ' ]
Condition: C2-C3 (Mint to very minimal signs of use)
Came with: nothing