Technetium’s Slide Rule Geocoin (Antique Bronze) - Evening in Bronze Edition
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Owner:
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Geo-Dragonchild
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Released:
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Saturday, April 7, 2012
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Origin:
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Utrecht, Netherlands
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Recently Spotted:
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In the hands of the owner.
This is not collectible.
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The Circular Slide Rule geocoin is the personal geocoin of the Dutch geocacher technetium, who designed this geocoin together with Chuck Turner from Palehorse Design (PHDCoins.ca). They have made a functional geocoin, which can be used for math operations like multiply or divide as well as for sinus or cosine calculations.
For example: Align number 1 from the outer circle with the number 3 from the inner circle. The number 12 from the inner circle will now align with number 4 from the outer circle (12 is the product of 4 cross 3). The number 1.67 at the outer circle can also be regarded as number 16.67, number 166.67, etc. This will give you number 5, number 50, number 500 and so on. Because the numbers on the circular slide rule are alinged in a circle this will continue ad infinitum
The center of the geocoin contains a fractal (a Sierpiński's triangle), which describes an infinite repetition like the numbers on the circular slide rule. The largest triangle of the Sierpiński's triangle contains the electron configuration scheme of the chemical element technetium. Technetium is the element with the lowest atomic number in the periodic table that has no stable isotopes: every form of this element is radioactive. Therefore the other triangles are empty or shows x-rays of the decayed element.
Design
The coin has a diameter of 50 mm (2") and a thickness of 5 mm (1/5"). A small rotating disc is located in the middle of the geocoin. I.e. the geocoin is a functional circular slide rule and can be used for math operations like multiply or divide. Including a trigonometric scale, it can also be used for trigonometry calculation of sinus, cosine, etc. The tracing code is placed on the edge.
On the back of the geocoin a Smith chart is shown. The Smith chart, invented by Phillip H. Smith (1905–1987), is a graphical aid or nomogram designed for electrical and electronics engineers specializing in radio frequency (RF) engineering to assist in solving problems with transmission lines and matching circuits.
In total five finishings were minted:
- Technetium’s Slide Rule Geocoin (Polished Gold) - Morning in Gold Edition
- Technetium’s Slide Rule Geocoin (Antique Bronze) - Evening in Bronze Edition
- Technetium’s Slide Rule Geocoin (Polished Silver) - Night in Silver Edition
- Technetium’s Slide Rule Geocoin (Satin Gold/Satin Silver) - Special Edition
- Technetium’s Slide Rule Geocoin (Polished Nickel) - Artist Edition
Technetium’s Slide Rule Geocoin (Antique Bronze) - Evening in Bronze Edition
The Technetium’s Slide Rule Geocoin is one of the geocoins I have retrieved out of the JackHoe collection! I really appreciate the opportunity to get a part of his stunning dutch geocoin collection
The aim of this geocoin is to please everyone who looks at this beautiful geocoin and discovered it
Gallery Images related to Technetium’s Slide Rule Geocoin (Antique Bronze) - Evening in Bronze Edition
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Tracking History () View Map
LMGIVW discovered it
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seen on geocpin event in eindhoven
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pinootjes discovered it
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Tijdens het Geocoinfest Europe 2015 in Eindhoven hebben we met veel plezier deze fraaie verzameling Geocoins mogen aanschouwen. Een prachtige verzameling waar de eigenaar terecht trots op mag zijn. Veel dank voor het laten zien van deze serie Geocoins.
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SaHaRe discovered it
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Wir waren auf unsere Hochzeitsreise als wir einen Geocoin der Veranstalter in Hamburg gefunden haben. Als wir geschaut haben welche Aufgabe der Coin hatte haben wir das Geocoinfest entdeckt und haben es natürlich gleich in unser Reiseprogramm aufgenommen. Es war ein tolles Erlebnis gewesen und sehr Interessant wie viele verschiedene TB und Coins es auf der Welt gibt.
vielen Dank fürs Zeigen
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freakycat discovered it
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I attended the mega event in Eindhoven and had a great time which included seeing this excellent collection. My husband (medic143) sent the photo to the CO and got permission to log them all. Thanks to the CO for sharing.
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medic143 discovered it
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I attended the Mega Event in Eindhoven and discovered this wonderful collection. The CO was find enough to send me the list on the 12th October but I'm only getting round to logging them in December - while on holidays finishing my Jasmir!
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OmeErik discovered it
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Afgelopen 26 September was daar het GeoCoinFest in Eindhoven. Een mega groot spektakel en een werkelijk walhalla voor TravelBug en GeoCoinliefhebbers.
Ikzelf was deze ochtend vrijwilliger en tijdens die werkzaamheden op een rustig ogenblik ook even snel een foto weten te maken bij deze prachtige collectie. Wat een enorme verzameling!! Daar zitten heel wat uurtjes verzamelarbeid in! Om maar niet te spreken van...
Geo-Dragonchild dankjewel voor het laten zien van je mooie collectie! En dankjewel voor de handige discover-service!!
Happy GeoCaching!
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Supamama discovered it
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Dich habe ich auf dem Geocoinfest Europe 2015 Netherlands in Eindhoven gesehen. Hier haben wir einen schönen Tag verbracht, einige Caches gehoben und ganz, ganz viele TBs und Coins discovert. Vielen Dank dafür
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Supapapa discovered it
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Für das Geocoinfest Europe 2015 Netherlands sind wir in Eindhoven angereist. Wie zu erwachten gab es hier neben Verkaufsständen auch einiges anderes zu sehen. Coin Ausstellungen in der oberen Etage, Signal in der unteren. Und natürlich viele bekannte und unbekannte Cacher. diese hatten viele TBs ud Coins zum discovern dabei und zeigten diese auch gerne. Du warst einer davon.
[font=Arial][size=1]Danke für's zeigen[/size]
[i][b][purple]S[/purple][/b][/i][i][blue]upa[/blue][/i][i][b][purple]P[/purple][/b][/i][i][blue]apa[/blue][/i]
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CapraIbex96 discovered it
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Sorry dat ik zo lang heb gewacht met deze lijst.
Maar al deze trackables/coins gezien op het Geocoinfest in Eindhoven op 26 september 2015.
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TheLoneBaker discovered it
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[violet]I'm currently hitchhiking my way around Europe as part of a geocaching trip around the world. My first stop was Ireland where I spent a couple weeks touring the country. I then flew to London and spent a couple weeks touring the United Kingdom. From there I made my way through the tunnel and up to Amsterdam and then back down to Belgium. After that I headed for France. Then from there I headed to Portugal for a mega event that was happening. After that I headed for Denmark to attend another Mega event. I then made my way North into Sweden and then even further North to Norway. After that I proceeded to work my way back down South through Finland and then ferry hopped my way through a few of the islands to arrive back in Sweden. Next I made my way to Germany for another Mega event and then back to the Netherlands for still another mega event. I was then fortunate enough to see this collection of geocoins and have the opportunity to discover them all
TheLoneBaker[/violet]
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