Russian Pilot's Flight Rule

Country of manufacture: USSR,            Date of manufacture: ____
Overall length: 30.0 cm,          Width: 4.3 cm,           Weight: 91.8 gms
Materials: Open form duplex; wood-celluloid laminate
Cursor: 1.7 X 5.4 X 1.1 cms; wooden runners, plastic lens; lines = single line, front and back
Scales: 16, specialized
Front:
Back:
Condition: C4 (Minimal Signs of Use; one brad missing from cursor runner)
Came with: Nothing