National Museum of American History
Pickett N600-ES Log Log Duplex Slide Rule
Pickett & Eckel, Incorporated · ca 1962
This five-inch "eye saver" yellow aluminum linear slide rule has a nylon indicator and is held together with stamped aluminum contoured posts. The front of the base has LL1, A, D, DI, and K scales, with B, ST, T, S, and C scales on the slide. The left end of the slide is marked: MODEL (/) N600-ES (/) LOG LOG (/) SPEED RULE. The right end of the slide bears the form of the Pickett logo that was used between 1958 and 1962. The number 81 is printed above the logo, and MADE IN U.S.A. is printed below it.
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