Dietzgen 1751 Maniphase Multiplex Industrial Type

Country of manufacture: USA,            Date of manufacture: ____
Overall length: 31.8 cm,          Width: 3.3 cm,           Weight: 88.5 gms.
Materials: Celluloid laminate over wood, metal end braces, adjustable
Cursor: 2.6 X 4.4 X 1.1 cms; metal framed glass lens; lines = single hairline, front and back
Scales: 13, no extensions
Front: Feed, Length of Cut Diam. [ R.P.M. R.P.M., Time, Cutg. Speed ] D
Back: L, A [ B, CI, C ] D, K
Gauge Marks: [π, 786 ]
Condition: C3-C4 (Very Minimal to Mininal signs of use)
Came with: Original leather case, box