Hemmi P253 Vectolog (Hughes Owens 1774 00, Hughes Owens 341 3130)

Country of manufacture: Japan,            Date of manufacture: May, 1966 (QE)
Overall length: 33.8 cm,          Width: 4.1 cm,           Weight: 111.7 gms
Materials: all plastic, plastic end braces glued-onto back
Cursor: 3.1 X 5.4 X 1.0 cms; all plastic, adjustable; lines = single hairline, front and back
Scales: 18, no extensions
Front: LL3, LL2, DF [CF, CIF, CI, C] D, L, LL1
Back: K, A [B, TI2, TI1, SI ] D, DI
Gauge Marks: [π, C, ρ'', ρ', ρo, e ]
Condition: C3-C4 (Very minimal to minimal signs of use)
Came with: Original blue/white plastic box/case, manual