Lawrence Engineering Services Traffic Manager's Slide Rule (for PIC-Walsh Freight Co.)
Country of manufacture: USA, Date of manufacture: >= 1939
Overall length: 28.4 cm, Width: 2.9 cm, Weight: 34.6 gms
Materials: painted wood, closed form simplex type
Cursor: 2.3 X 3.0 X 0.6 cms; metal frame holding plastic lens; lines = one on front only
Scales: 4
Front: Class Rate [ Percent Class, Weight ] Rate and Charge
Back: Company branch office occasions
Back of Slide: Blank
Gauge Marks: [ ]
Condition: C2 (Mint but extras not in mint condition)
Came with: Cardboard Case

