Reiss Elektro 06/0015

Country of manufacture: Germany,           Date of manufacture: ____,           Ser. No. 265? (stamped on end of end brace and slide)
Overall length: 31.7 cm,          Width: 3.3 cm,           Weight: 114.9 gms
Materials: aluminum, end braces attached to back of rule
Cursor: 4.0 (front), 1.2 (back) X 4.3 X 0.9 cms; all plastic, adjustable; lines = Four on front, one on back
Scales: 14, extensions on A, B, CI, C, D
Front: K, A [ B, CI, C ] D, L
Back: LL2, Dynamo-Motor [ sin, sin/tg, tg ] Volt, LL3
Gauge Marks: [ Cu(Ω) (22)?, e (2718), 736, Cu(g) (1429)?, π, M (3183), C (1128), ρ'' (2063), ρ' (3438), C1 (2718) ]
Condition: C5 (Normal signs of use)
Came with: Original dark green cardboard case, badly broken