Pickett & Eckel Model 500-T
Ortho-Phase Log Log
(1958)
slide rule
slide rule
Click to view 300 dpi image.
ManufacturerPickett & Eckel
Model500-T
Serial No.
Scale length25 cm
Overall length30.8 cm
Width3.8 cm
Body/Slide materialsAluminum, 2.5 mm
Post materialsPlated cast metal
Cursor materialsPlated cast metal / Plastic (plain, flat)
ScalesLL0 LL00 A [B ST {T S} C] D K
L LL1 DF [CF CIF CI C] D LL3 LL2
AccessoriesTan leather case w/ plastic insert, flap slightly torn.
Notes
Tag No.PE-500-24
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