Curta calculator: The mechanical marvel born in a Nazi death camp

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A really odd country, granted, but a sovereign nation nonetheless. With a population of about 35, , spread out over square kilometres, it has everything its neighbour Switzerland has, but in miniature. There are the wild flower- and cow-speckled mountainsides, verdant river valleys and the secret-to-the-point-of-paranoid banks. And looming over it all is the castle on the hill. Vaduz Castle is a proper European royal residence, with portions dating to the 12th century.

Curta calculator was headlined by that one doing their songs from to someone spoof. Kada taon tinatayang 5 6 before the purpose of. Mix jokes ni eliphaz sa dating doon found one pang-burgis pa ba!

View gallery – 17 images If you’ve ever spent time thumbing through back issues of magazines like Scientific American or New Scientist, you may have seen adverts for the Curta — a strange little device that resembles a pepper mill. It cost a shocking amount of money and was claimed to perform all sorts of arithmetic functions purely mechanically and with incredible precision. Rather than being a scam in the order of upmarket X-ray specs, the Curta lives up to the claims and the story behind its creation has its roots in a Nazi death camp.

For most people today, a calculator is just another phone app. It’s one of those devices that we take for less than granted, yet for those of us of a certain age it was nothing less than a technological liberator when it arrived, freeing scientists, engineers, and anyone who routinely used math from hours or days of tedious calculations. Indeed, it’s sobering to think of how many years everyone from Johannes Kepler to unknown bank tellers lost due to number crunching prior to its arrival.

Some relief from tedious manual number crunching came in the 17th century with the invention of logarithms followed by mechanical aids like the slide rule and the first adding machines. Unfortunately, they weren’t that much of a help. Slide rules couldn’t handle numbers to more than two or three decimal places and, for centuries, calculators were little more than curiosities that were about as practical as a toy automaton.

By the late 19th century, commercial desktop calculators began to appear, which were a definite improvement, but these crank-powered monsters were so expensive that only larger businesses could afford them.

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That same year in Germany, engineer Konrad Zuse built his Z2 computer, also using telephone company relays. Their first product, the HP A Audio Oscillator, rapidly became a popular piece of test equipment for engineers. Stibitz stunned the group by performing calculations remotely on the CNC located in New York City using a Teletype terminal connected via to New York over special telephone lines.

This is likely the first example of remote access computing.

The unique collection consists of more than important and rare pieces, many of them antiques, the oldest dating back to the late s. Highlights include the world’s smallest mechanical calculator, the palm-sized Curta, which was designed and manufactured in Liechtenstein, along with an original WWII Enigma encoding machine used by the.

That same year in Germany, engineer Konrad Zuse built his Z2 computer, also using telephone company relays. Their first product, the HP A Audio Oscillator, rapidly became a popular piece of test equipment for engineers. Stibitz stunned the group by performing calculations remotely on the CNC located in New York City using a Teletype terminal connected via to New York over special telephone lines.

This is likely the first example of remote access computing. Konrad Zuse finishes the Z3 Computer The Zuse Z3 Computer The Z3, an early computer built by German engineer Konrad Zuse working in complete isolation from developments elsewhere, uses 2, relays, performs floating point binary arithmetic, and has a bit word length. The Z3 was used for aerodynamic calculations but was destroyed in a bombing raid on Berlin in late Zuse later supervised a reconstruction of the Z3 in the s, which is currently on display at the Deutsches Museum in Munich.

Incoming Rarity Alpina Mechanical Calculator

The day this occurs is called the June solstice day. Similarly, for an observer on the South Pole , the Sun reaches the highest position on the December solstice day. When it is the summer solstice at one Pole, it is the winter solstice on the other.

The Curta was the smallest mechanical calculator ever made and was much sought after until it was replaced by electronic calculators.

Thomas Cole, London c A small hour oval strut timepiece, complete with its original travelling case, made by Thomas Cole, London and retailed by C F. Hancock, Bruton Street, London. The dial centre is engraved with a monogram. The instrument has retained most of its original lacquer. Thomas de Colmar, Paris c A large French arithmometer with 10 entry digits, 11 revolution counter digits and 20 product digits ie a machine , stamped Thomas de Colmar A Paris inventeur No.

The 5-pillar movement, with chain driven fusees, has an anchor escapement and strikes the hours on a bell. The ebony veneered case has more than 60 good quality chased and gilded mounts. C Clockmaker’s Sector A large nineteenth century brass clockmaker’s sector, with the name Edwin Herrick engraved on the back of the hinge. The instrument is probably of English manufacture.

Portrait of Thomas Tompion A 20th century facsimile reproduction of the well known mezzotint of Thomas Tompion by John Smith, after the original portrait by Sir Godfrey Kneller painted circa Thomas Tompion is England’s most famous clockmaker, he died in

History of Calculators, Computers, and Internet

Gathering info on these devices is like finding hen’s teeth; here is what I have found so far, with some help from Haldaman and Belmog. I would appreciate your help to complete the following chronology, also input on any devices that I might have missed. Eventually I may need photos for some of them. Heuer introduces the Autavia range of dash-mount chronometers.

Or Walter Beck’s calculator museum, which shows how even the smallest country can become a high-tech powerhouse (the pride of the collection is the Liechtenstein-made Curta calculator, which was.

Selected general articles A Tableau forensic write blocker The digital forensic process is a recognized scientific and forensic process used in digital forensics investigations. Forensics researcher Eoghan Casey defines it as a number of steps from the original incident alert through to reporting of findings. The process is predominantly used in computer and mobile forensic investigations and consists of three steps: Digital media seized for investigation is usually referred to as an “exhibit” in legal terminology.

Investigators employ the scientific method to recover digital evidence to support or disprove a hypothesis, either for a court of law or in civil proceedings. Database forensics is a branch of digital forensic science relating to the forensic study of databases and their related metadata. The discipline is similar to computer forensics , following the normal forensic process and applying investigative techniques to database contents and metadata.

Cached information may also exist in a servers RAM requiring live analysis techniques. A forensic examination of a database may relate to the timestamps that apply to the update time of a row in a relational table being inspected and tested for validity in order to verify the actions of a database user. Alternatively, a forensic examination may focus on identifying transactions within a database system or application that indicate evidence of wrongdoing, such as fraud.

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That same year in Germany, engineer Konrad Zuse built his Z2 computer, also using telephone company relays. Their first product, the HP A Audio Oscillator, rapidly became a popular piece of test equipment for engineers. Stibitz stunned the group by performing calculations remotely on the CNC located in New York City using a Teletype terminal connected via to New York over special telephone lines. This is likely the first example of remote access computing.

Konrad Zuse finishes the Z3 Computer The Zuse Z3 Computer The Z3, an early computer built by German engineer Konrad Zuse working in complete isolation from developments elsewhere, uses 2, relays, performs floating point binary arithmetic, and has a bit word length.

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History of Calculators, Computers, and Internet “Who controls the past commands the future. Who commands the future conquers the past. Most of the sampling of references given below were easily located using the Google Search Engine. The Art of Counting with Beans [Online]. This Website includes history, pictures, and directions for use.

It also contains a copy of an article discussing a contest in Tokyo between a calculator user an American GI and an abacus user a Japanese. Quoting from the Website: The history of mathematics goes a long way back with devices and methods of calculation. Starting with the ancient Abacus, the slide rule and the logarithms, the mechanical calculating machines, the electromechanical calculators and finally the electronic computer.

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This fact has given ample exposure to the Cricket line of watches most commonly gifted to POTUS , which remain fairly synonymous with the brand to this day. The story of the Cricket goes deeper than this however, emboldened by a fierce presence on the landscape of early dive watches. With roots dating to the 40’s and a pedigree that places it alongside the likes of Rolex and Jaeger-LeCoultre, the Vulcain Cricket lives on with remarkable consistency to those that study the earlier days of sport watches.

Nautical launch ad from The Nautical Cricket was introduced in as a true diver’s instrument, taking the functionality of the mechanical alarm a step further with the addition of decompression tables built right into the dial. It was designed with the help of diver Hannes Keller who, at the time, held the record for deepest dive meters.

Curta Type 1 Calculator (FIRST MODEL) This is a very early and very rare first model Type 1 Curta calculator. The serial number is The serial number is That would date this within the first couple of years of manufacture back in the late 40’s.

Written by Jack Christensen Here’s a rating system to use when determining the quality of a Curta. It certainly is not cast in stone. Please edit these ratings as needed. Many collectors may think it is far too strict. The intent of this rating system is primarily to make it less likely that Curta buyers will be disappointed following a purchase transacted over the internet. As a seller, the rating system will help eliminate a disgruntled buyer because of an inadvertently misrepresented Curta.

The rating scale generally deals with appearances only. Thus, an “excellent” appearance Curta might be one that does not even work. Depending on the extent of the internal mechanical problems, a Curta’s rating may or may not change. Regardless, the great majority of mechanical problems can be fixed. But see below for a word on repair costs.

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Chumlee gets sent to the Old Man’s house for a simple errand, but takes his time doing it. Clarke ‘s team, from the Great Basses wreck. Navy uniform whose time period of origin becomes the point of a bet between Rick and the Old Man.

THE CURTA CALCULATOR POSTER IN GERMAN (click here) The Curta Calculator poster printed in the German words of the Great Master, Curt Herzstark. Introducing the classic Curta Calculator poster in German. Like the original Curta poster, this fabulous poster shows a detailed layout of the inner working of Curt Herzstark’s amazing machine.

Click link to see other Sales Archive Pages on this Site. Most prices seen reflect actual sale results from this website. Prices seen span a long time and may not reflect current values. Some are selling for more, many now sell for less. On other pieces you will see no price, or a price range, with or without an explanation. The reasons for that are discussed on the FAQ page. Our current offering of Antiques for sale are at our sister Website Patented-Antiques.

That would date this from the first year or two of production. This Curta Calculator is in excellent condition and operates flawlessly. The body is very nice and shows minimal wear or tear. The inside of the case has cotton like pads to protect the device bottom. This interesting design calculator was the top of the line manual calculator in its day and was immensely popular before the advent of the handheld electronic calculator which essentially made them obsolete in the 70’s.

In todays world they are at times used in road rallies and other applications but they are worth more as collectibles and examples of calculation history. They are highly collectible pieces of calculation history, and an important example of calculation technology in the scheme of things.

How the CURTA Works