Novotni Time Slide Rule

Country of manufacture: USA,            Date of manufacture: ____
Overall length: 25.4 cm,          Width: 6.4 cm,           Weight: 128.5 gms
Materials: all plastic
Cursor: no cursor
Scales: 5; printed on, not engraved.
Front:
Back: Blank
Condition: C6 (Signs of heavy use; attempts to clean by prior owner has damaged part of one printed-on scale)
Came with: nothing