Eric’s Pickett Slide Rules

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Unique Slide Rule Company Dating a slide rule becomes difficult if a manufacturer did not imprinting a date code or serial number on the stock. Even then, some manufacturers recycled their serial numbers over time, and the stock could have been left on a shelf for a period of time before the slide rule was assembled and shipped. Catalogs are an excellent indication of when a model was produced or discontinued. Sometimes the copyright date in a manual is used to determine the approximate age, but one printing could span several decades.

Dates that a design was registered or patented only suggests an approximate year a model may have been first produced, as the model may have been distributed a year or more before issuance patent pending.

Slide 5 love life and dating rules and the social life, and saving money. Insider information on her life, there are the christian teens with the. Profiles to live by this new and dating rules you likely had to impress your career and writing in all of often-unstated new.

Sun Hemmi Slide Rules Hemmi was the largest manufacturer of slide rules, and is estimated to have sold some 15 million rules over its lifetime. These were sold under their own name Sun as well as redistributed for a large number of other companies, most notably the Frederick Post Co. Reflecting their Japanese origin, these rules were often made of bamboo with celluloid facings, which worked out very well since bamboo is naturally self-lubricating and withstands changes in temperature and humidity better than other types of wood.

Hemmi also made a number of plastic rules, which were generally of very high quality and compared well to other manufacturers. Given their extensive range of products, it is not surprising to see a number of specialized rules out there as well. Interestingly, Hemmi still exists today, but makes only hydraulic and related engineering components. According to Paul Ross and Ted Hume’s research project , by these rules reappeared with the label “Made in Occupied Japan” which was eventually dropped to “Made in Japan” around Also around this time, they started engraving 2-letter date codes on all their rules representing the year and month they were made.

The first letter corresponds to the year starting with B for and ending with Z in The second letter corresponds to the month, with A for January, B for February, etc. Although the date codes were prominently engraved and paint-filled in the early years, from the late ‘s onward they can be hard to spot as they are only lightly engraved in small letters, often near an edge.

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By Miriam Wasser Friday, February 26, at 1: In some ways, these mutually beneficial relationships are like traditional romantic relationships, but in other ways, they’re quite different. Victoria, a University of Arizona student with three sugar daddies, lays out what it takes to be a good sugar baby and have a successful sugar-dating experience: Don’t talk about relationships outside your arrangement because you will get hurt.

Talking about these things creates an unnecessary level of emotional attachment that men don’t understand. Men want a happy, beautiful, smiling girl who is glowing and has goals, not someone who cries and whines.

Before , slide rules had no date stamp, but, there are also plenty of rules after that do not have a date stamp. Type numbers All slide rules with a 3-digit type number starting with a 3 (like or ) were manufactured before

The data for the table comes from files of completed auctions on ebay http: The contents are analysed by a computer program. It is also possible that some slide rule manuals have been listed under slide rules. The analysis program does a search using the phrase “slide rule”. Not all items on ebay are sold. These probably fall into two categories, those that no-one wants, even at a low price, and those for which too high a reserve has been fixed. It is clear that these auctions fall into a different category from those where a deal was arranged.

For this reason they have been analysed separately.

Eric’s Pickett Slide Rules

Hemmi was granted Japanese patent in for laminated bamboo construction and success seems to have followed quickly thereafter. One can estimate dates of Hemmi slide rules from markings on the rules. I have not been able to narrow the date. Rules with model numbers date from before this changeover, rules with model numbers 20 and above were made after the changeover.

The slide rule, or slipstick, is a mechanical analog slide rule is used mainly for multiplication and division, and also for “scientific” functions such as roots, logarithms and trigonometry, but usually not for addition or subtraction.. There are many different styles of slide rules. They are usually linear or circular. They have a standardised set of markings (called scales).

From , its exclusive supplier of linear slide rules was Hemmi, a Japanese firm. Hemmi was known for using a large-diameter variety of bamboo grown in Kagoshima Prefecture on the island of Kyushu. Company founder Jiro Hemmi — patented this innovation in several nations, including the United States in While Post usually sold standard Hemmi models, around Hemmi created two ten-inch slide rules solely for Post, which sold in the United States as the model Versatrig and model Versalog.

The Versalog was especially popular, selling several hundred thousand copies. This example is bamboo, coated on all sides except the ends with white celluloid. The rule is held together with metal posts, one of which is engraved on the front: The glass indicator has a metal frame with plastic sides. One side is marked: The other side bears a Post logo in red, which has largely been rubbed away.

The red Post logo and the serial number appear on the right front of the slide. The serial number indicates the rule was manufactured in This is confirmed by the date code JI on the bottom edge of the rule, which corresponds to a manufacturing date of September

Oso mudslide

Lo Duca Ignores Slide Rule September 19, Mike DiGiovanna Most players who slide or dive on the rubber-like surface ringing Dodger Stadium land with a sudden thud, the impact often resulting in some kind of knee-jarring, hamstring-straining or ankle-twisting injury. Suddenly, a man leaned across the bus aisle to shake Cowen’s hand, pronouncing himself a “huge fan” — not of Cowen’s economics work, but of the Internet blog the George Mason University faculty member created three years ago.

Eddy knows too well how fragile the human body is, especially the knees. He’s keeping his fingers crossed that isn’t anything like , when his players seemed to be dropping at every turn. After a long night at the Delta frat house, you may well wonder, what is the Jagermeister delta?

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People are complex, and every person will have his or her own ideas and desires and needs in a relationship. Instead, treat your relationships in a way that respects what they are. Give each person a voice; you are having a relationship, not looking for spare parts! Listen to what the relationship is telling you, instead of trying to force it to be something specific. Being happy is not a competition!

Your needs are important, and even if you believe they are irrational, they are still a legitimate part of who you are. This is true in any relationship, whether polyamorous or not. Get in the habit of being open about problems—even small ones.

7 Outdated Relationship Rules It’s Time to Forget About

Mortgage Fraud pdf Protect yourself from being an unwilling participant in mortgage fraud! If you are going to invest in real estate, make sure you are using a licensed mortgage broker who is registered under the Real Estate Act in Alberta. Bill Collection and Debt Repayment pdf Collection agencies collect unpaid debts or locate debtors for others.

Debt repayment agencies charge a fee to negotiate payment arrangements for people who owe money. The Consumer Protection Act and the Collection and Debt Repayment Practices Regulation identify the rules these businesses and the people working for them must follow.

The 30 Most Shocking Rules Royals Are Required to Follow. From subtle signals sent via the Queen’s handbag to the protocol for reprimanding royal pets.

Well-known for their “eye-saver” yellow surfaces see below , Pickett was a popular favourite among American slide rule users. They featured an impressive range of specialized rules for a variety of applications more than any other maker I can think of , along with teaching and student rules. Naturally, they also made a huge number of entry-level plastic rules, especially toward the end of their production run.

Often, these can still be found as “new old stock” still today, illustrating their overly-effective mass production efforts. They also aggressively pushed their demonstration rules in US schools, helping to insure a substantial user base among later professionals. According to Dieter von Jezierski, they eventually packed up headed to Mexico in If anybody knows more about their fate, please drop me a line.

An excellent Pickett dating resource is now available at the slide rule museum. The original owner, Edward Earnshaw whose name is clear visible neatly engraved on the front was apparently a quality control engineer for Kearfott, an American electronics company. He obviously kept the rule in very good shape, as there is little surface corrosion visible anywhere on the rule.

How to Attract Women

Why did Hemmi start Versalog serial numbers with in ? In the Hemmi year code was ‘G’, the seventh letter of the alphabet. The tiny 1 mm high two-letter date code is moved from the top edge to the bottom edge, and is only stamped into the celluloid and not colored. It is sometimes quite faint, requiring magnification to find and read it.

Screw the dating rules and figure out what works best for you and what you want and feel comfortable with, in the grand scheme of your love life.

How about we settle this, just you and me—logarithms at ten paces. Now, I’m for peace as much as the next fellow, but it’s always seemed to me a clear lesson of history that unilateral disarmament in the face of aggressive tyranny is not the way to peace. Maybe it’s one of those slippery concepts which an understanding of feedback systems and differential equations helps one to grasp more firmly than an encyclopedic knowledge of the works of nineteenth century political theorists.

Why, that’s only a quarter to a third of a pound per square inch overpressure—it’ll probably break some window glass but that’s about it. Collectible Computer Back in those psychedelic days of yore, you could order your own fantastic pastel plastic nuclear bomb effects computer directly from the U. Government Printing Office for a single green dollar, and for three dollars more, obtain the authoritative page book, The Effects of Nuclear Weapons , upon which it was based.

With the winding down of the nuclear arms race and eventual end of the Cold War, interest in the actual consequences of setting off nuclear weapons waned. The book and computer were last updated in , and subsequently went out of print.

How to Build an Adult Slip

No matter how much progress you’re making in the weight room, you’ll sabotage your efforts if you aren’t following a healthy eating plan. Get started with Eat Clean to Get Lean , our day clean eating plan. When you’re lifting weights, you’ll want to be sure you are consuming enough protein which helps build muscle , as well as healthy fats and carbohydrates which keep you energized, satiated, and also help you recover from your workouts.

October. – Hemmi introduces the newly designed Model S inch slide rule, targeted for use in slide rule competitions and certification examinations. This slide rule uses a light green scale, a first in Japanese slide rules.

Guest Contributor July 2, Last updated: This is a guest post from Stratton Lawrence. So, if you build one of these, the risk is entirely yours. If you drink while doing this, you will almost certainly get hurt. You want the thickest plastic you can find look for 6 mil in order to prevent tears from seashells, rocks, etc. Using the shovel, it takes about half an hour to secure the sides of the tarp by burying them slightly and then piling sand along the edge.

Plus, your hippie friends need a bath once a year, anyways. And, of course, any detergent works.

Eric’s Keuffel & Esser Slide Rules

In most cases dating of a particular slide rule requires consideration of several parameters. Model numbers , serial numbers , catalog descriptions , cursor types , patent dates , variants , and specials are used in combination with each other to fully identify a given rule. The following is a discussion on the subject.

File: vintage slide rules, is the slide rules for sale on the dominant european slide rules and slide rules. There are used to which can the simple rules brian borchers the s. Terms, whether early nestler slide rules.

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A Real World Guide for the BEST First Date