K&E Short Base Triangulation Slide Rule

Country of manufacture: USA,            Date of manufacture: ____
Overall length: 54.9 cm,          Width: 4.1 cm,           Weight: 198.6 gms
Materials: wooden body and slide, scales printed on painted surfaces
Cursor: 3.0 X 5.0 X 0.7 cms; metal framed glass lens; lines = Two lines, meters and yards, front side only
Scales: 6, specialized
Front: Auxilliary Angle "A", Mils [ Vertex Angle "t" mils, base "b" ] Range "R"
Slide Back: Vertex Angle "t" mils, base "b"
Gauge Marks: [      ]
Back: blank
Well: blank
Condition: C3 (Signs of very Minimal Use; original KERCS cursor replaced with undamaged one from another rule with significant body damage.)
Came with: Original orange leather case stamped, "US"