Uto 930U Poly-e branded 'Chemstrand'

Country of manufacture: Denmark,            Date of manufacture: ____
Overall length: 33.1 cm,          Width: 4.9 cm,           Weight: 116.0 gms
Materials: Plastic (PVC) stators and slide, metal end braces, adjustable
Cursor: 3.6 X 5.9 X 0.8 cms; all plastic, adjustable; lines = three on front, one on back
Scales: 22, no extensions
Front: LL01, LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1
Back: L, K, A [ B, T, ST, S ] D, DI, P
Gauge Marks: [ π, e, //, / ]
Condition: C1 (Mint w/extras but all extras not mint)
Came with: Original green lined hinged presentation case labeled, "R.E.D.A.R. - research, engineering, development, applications research at CHEMSTRAND", instructions