Lawrence Engineering 10-G Cutting Speed Calculator

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Country of manufacture: USA,            Date of manufacture: ____
Overall length:26.4 cm,          Width: 2.9 cm,           Weight:35.2 gms
Materials: painted wood, closed form simplex type
Cursor: 2.0 X 3.1 X 0.6 cms; all plastic; lines = one on front only
Scales: 5, specialized
Front: Cutting Speed [ Diameter Inches, Diameter Millimeters, Diameter Drills ] Spindle Speed R.P.M.
Gauge Marks: [     ]
Back: Suggested Speeds for High Speed Drills
Back of Slide: Blank
Condition: C3 (Very Minimal signs of use)
Came with: Original black slipcase

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