FREE: Vintage PICKETT Synchro Scale Metal Slide Rule Pat. Pend. Model N600-ES 6" RARE

The listing, Vintage PICKETT Synchro Scale Metal Slide Rule Pat. Pend. Model N600-ES 6" RARE has ended.

Folks this is a super cool Pickett slide rule that is a very rare find and a true collectable.
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.
The back of the base has LL2, DF, D, and LL3 scales, with CF, Ln, L, CI, and C scales on the front of the slide. The left end of the slide is marked: PICKETT (/) ALL METAL (/) SLIDE RULES. The right end of the slide is marked: PICKETT & ECKEL, (/) INC. (/) CHICAGO, ILL. (/) ©1962. The instrument fits in a red-orange leather case with a clip to slide over a pocket or belt. A leather strip above the clip is stamped in gold with the Pickett triangular logo and PAT. PEND. Raising the strip pulls the rule out of the case.