Haiou Pai 6681 Aeronautical Engineering

Country of manufacture: China,            Date of manufacture: ____
Overall length: 33.6 cm,          Width: 4.8 cm,           Weight: 111.9 gms
Materials: all plastic, glued-on end braces
Cursor: 3.7 X 5.9 X 0.8 cms; all plastic, adjustable; lines = three hairlines on front, one on back
Scales: 26, extensions on A, B, C, D, back side
Front: LL01, LL02, LL03, DF [CF, CIF, H, CI, C ] D, LL3, LL2, LL1
Back: L, Sh1, Sh2, A [ B, T, ST, S, C ] D, DI, Th, Ch
Gauge Marks: [π, e, e-1 ]
Condition: C4 (minimal signs of use)
Came with: Original blue cardboard box/case