WebBut there were alternatives. Sterling Plastics made a duplex log-log slide rule, out of plastic, and one ad gives a price for it of $2.98 in 1965. What with inflation, the price in 1976 might have been $6.98 instead, but that's still less than $25. Why didn't the slide rule stay around, then, until pocket calculators got even cheaper? WebFeb 12, 2024 · That is easily solved to 3 significant figures with your slide rule and is an example of a typical problem my generation faced in school. The circumference is irrelevant. All you need to know is that your are increasing the circumference of a circle by 1ft and therefore its radius by 1/2pi ft. Which is about 0.16 in my head (0.159 to 3 sf).
Slide Rules, Logarithms, and Compute Servers - PADT
WebSep 14, 2024 · Slide the cursor on the A scale. Ignoring the exponent of ten for now, slide the metal cursor along the A scale to the number you've ended up with. Example 3: To find √ (3.9 x 10 2 ), slide the cursor to 3.9 on the left A scale. (Use the left scale because the exponent is even, as described above.) WebJun 23, 2009 · The National Air and Space Museum has preserved a few slide rules, including one carried by Apollo 13 astronauts on their April 1970 journey. The Museum also has on display the slide rule owned by Wernher von Braun, who headed the Marshall … One museum, two locations Visit us in Washington, DC and Chantilly, VA to … malone\u0027s hamburg reservations
Slide rule - Wikipedia
WebApr 24, 2024 · 5. Slide rules were status symbols before advent of calculators in 70-ies. The more mathematically advanced section in school you attended, the more advanced and. expensive slide rule you must have. Some were careful letting their slide rule protrude out from pocket or briefcase, showing their status and expected successful career. In mid 70 ... WebJul 6, 2024 · The circular slide rule has a mobile scale (on a watch, this is on the bidirectional bezel), and a second, fixed scale (on the dial), each with its own graduations. ... The first thing you will need to know before converting currencies using the slide rule on a Breitling Navitimer is the current exchange rate. If, for example €1 = CHF 0.91 ... http://srtco.us/SlideRuleTradingCo/Repairs.htm malone\\u0027s gym west lafayette