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Pickett 520-T USAF Aerial Photo- MIL-C-4318-B Type A-1 Slide Rule + Case

Pickett 520-T USAF Aerial Photo- MIL-C-4318-B Type A-1 Slide Rule + Case

$ 15.57

Availability: 100 in stock

All returns accepted: ReturnsNotAccepted

Condition: Excellent Condition Slide Rule. Cursor and center slide bar move smoothly. Slight tear on leather flap on case. Name written on outside back of case. Inside of case clean.

Description
Size Guide

Description

Pickett N520-T USAF Aerial Photo- MIL-C-4318-B Type A-1
Front Scale:
L, A, DF [ CF, CIF, T, S, C ] D, DI, K
Back scale:
Ground Size Meters, Feet, Ground Speed, [Image size, Cycling Time, Focal Length ] Altitude
Plastic card has mathematical table of Equivalents and Constants