The signature beaded bezel and circular slide rule are the same, as is the movement, the COSC-certified automatic Breitling caliber 17, and the clean, three-hand dial.

So you could have 3 mean 0.03, 300, or — of course — 3. Of course, you don’t need to build the wheel with a rubber band — you could just mark the wheel like a regular circular slide rule.

The center of the front is marked: CIRCULAR SLIDE RULE – dial rule (/) PICKETT. The center of the back is marked: dial rule (/) NO 101-C. A triangular Pickett logo, of the form used between 1950 and ...

Object Details maker Pickett & Eckel, Incorporated Description This yellow aluminum circular slide rule has three clear plastic indicators, one blank. The other indicator on the front is marked in red ...

Nickamed cold war slide rules, they became famous when Peter Sellers used one in Dr Strangelove. “I have seen the movie maybe 10 times,” says Frame.

Every watch includes a 3 inch (8 cm) circular steel slide rule. To ensure you can make the best use of both slide rules, we’re including instructions.

Two 10-inch log-log slide rules, circa 1965. This set up shows 12 x 12 = 144 under the hairline on scale D. This small circular slide rule would fit in a shirt pocket. It included an insert with ...

The big circular slide rule they’re shipping with the watch is a great conversation piece for your desk and, if you’re an engineer or someone who wants to get their smartypants on at the ...

So you could have 3 mean 0.03, 300, or — of course — 3. Of course, you don’t need to build the wheel with a rubber band — you could just mark the wheel like a regular circular slide rule.

Circular slide rules also were popular advertising gifts, often used as promotional freebies, says Schiller. "Even though they were the earliest form of slide rule, circular slide rules really didn't ...

But, as slide rule collector Eric Marcotte points out on his dizzyingly thorough website, it took a considerable length of time to get from these early prototypes to the modern slide rule, which ...