Full Details


Name and Model Number Pickett DECI-POINT
Model 1
Country of Origin USA
Date of Manufacture c. 1945
Front Scales Many root scales L T T ST S CI C D
Back Scales Decimal point location scales
Scale Length 25 cm (10 inches)
Type of Rule Slide Rule
Construction Magnesium rule with aluminum end plates Frameless cursor, aluminum cursor bars.
Area of Use Generic
Comment First major Pickett slide rule for general calculations. Magnesium easily corrodes with time.
Rarity RR
Donor Collection of Clay Castleberry
Match Number 290
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In conjunction with our 'donors' we assign a rarity rating to each item, based on the system devised by Herman van Herwijnen
(1929 - 2004), renowned Dutch collector, author, and creator of Herman's Archive, a collection of 5,000 slide rule images on CD.
• RR = Rare - 1 of 25 collectors has one; it may take a year to find an example in the marketplace.
• RRR = Very Rare - only a few known to collectors; may be several years before it comes up for sale.
• RRRR = Extremely Rare - a museum piece; unlikely that an example will come up for sale.