Rare Pickett Model N904-ES Trig & Decimal Keeper Speed Slide Rule Exc Condition

The product is a rare Pickett Model N904-ES Decimal Keeper Speed Slide Rule, made in the United States. This collectible item is a valuable piece for enthusiasts of slide rules, particularly in the fields of engineering and science. With its mint condition, this decimal keeper speed slide rule is sure to be a prized addition to any collection. Don't let this one slip away. They are very hard to come by.