Hemmi Tokyo Electric Slide Rule

---

Country of manufacture: England,            Date of manufacture: ____
Overall length: 32.0 cm,          Width: 4.0 cm,           Weight: 111.6 gms
Materials: Celluloid/bamboo laminate, duplex design.
Cursor: 3.0 X 5.3 X 1.1 cms; plastic runners with metal frame holding glass lens; lines = single line, both front and back
Scales: 20, some specialized
Front: Frequency/Wavelength conversion table | D.B.L, X [ T2, S2, T1, S1, YI, Y ] Z, LL3., LL2, LL1 | 0-27 cm
Back: r, L [ R, C ] F, Λ
Gauge Marks: [ π, C (1128), 4π, " (1192), C1 (3568), ' (3438), 2π, e ]
Condition: C5 (Signs of Normal Use)
Came with: Nothing

---

---