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The Astrolabe | astrolabes.org Reviews
https://astrolabes.org
Introduction to the astrolabe
astrolabes.org
The Istanbul Observatory
http://www.astrolabes.org/pages/istanbul.htm
The painting shows workers at the observatory of Taqi al-Din at Istanbul in 1577 (AH 985). Two observers are working with an astrolabe. A universal astrolabe of the saphea. Form is on the table in front of the man with the dividers and paper. The painting is from Shahinshah-nama. History of the King of Kings), an epic poem by 'Ala ad-Din Mansur-Shirazi, written in honor of Sultan Murad III (reigned 1574-95 [AH 982-1003]). Parts of an Astrolabe. Uses for an Astrolabe. History of the Astrolabe.
The Parts of an Astrolabe
http://www.astrolabes.org/pages/parts.htm
The Parts of an Astrolabe. Classical astrolabes were usually made of brass and were commonly about six or eight inches (15 to 20 cm) in diameter, although much larger and smaller ones were made. No doubt many astrolabes were made of cardboard and paper, but few have survived. Most astrolabe problems were solved using the front of the instrument. The front of an astrolabe has two types of parts: fixed and rotating. The fixed parts represent time scales and the stereographic projection. For the local latit...
Astrolabe History
http://www.astrolabes.org/pages/history.htm
History of the Astrolabe. Following is a very brief overview of the history of the astrolabe. See the Links. Page for references to much more detailed and comprehensive treatments. Origins of Astrolabe Theory. The earliest evidence of use of the stereographic projection in a machine is in the writing of the Roman author and architect, Marcus Vitruvius Pollio (ca. 88 - ca. 26 BC), who in De architectura. For a description of a modern recreation of the anaphoric clock. The Astrolabe in Islam. Persian astro...
The Prague Astrolabe Clock
http://www.astrolabes.org/pages/prague.htm
The Prague Astrolabe Clock. We can surmise that the photo was taken on August 23, 1981. A major renovation was undertaken in 1865, when a new striking mechanism was installed, the calendar was repainted and a new escapement was added, replacing the old foliot. The clock was seriously damaged during street fighting on May 8, 1945, but has been carefully restored. The diameter of the dial is 3.1 m and the ecliptic diameter is 2.8 m. The clock's gearing is described briefly in King, Henry C.,.
The Sterographic Projection
http://www.astrolabes.org/pages/stereo.htm
The plate of an astrolabe is a map of the sky on the flat plate of the astrolabe. Just as a map of the world is a projection of the spherical Earth on a flat sheet of paper, the astrolabe plate is a projection of the celestial sphere on an imaginary piece of paper placed through the flat plane of the equator. The projection used on the astrolabe is the stereographic projection. The stereograpic projection has two properties that make it ideal for astronomy:. Parts of an Astrolabe. Uses for an Astrolabe.
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07 Making a Simple Astrolabe - At Home Astronomy
http://www.athomeastronomy.org/activity_07.html
Making a Simple Astrolabe. An astrolabe (pronounced AS'-tro-layb) is a device used for measuring altitude, including the height of objects in the sky. This activity covers the construction of the astrolabe; the next activity in the series, Using a Simple Astrolabe,. Focuses on how to use it. Used to determine the latitude of a ship at sea by measuring the altitude of the Sun or star, the mariner's Astrolabe was popular in the late 15th and early 16th Centuries. 1 - piece of cardboard. 1 - small weight.
Resources @ Celestial Navigation
http://celestialnavigation.net/resources
CelNav in the Classroom. This page lists all the resources that are discussed on the other pages of the Celestial Navigation Net website. The School of Ocean Sailing. Onboard in Maine, with a celestial navigation course. Starpath School of Navigation. 8211; correspondence and onsite in Seattle. In Boothbay, Maine. Holds classes in conjunction with. And its Planetarium Courses. 8211; onsite in Connecticut. Land and Sea Collection. 8211; including antiques. NAVIGATIONAL HISTORY AND INSTRUMENTS. 8211; From ...
The Astrolabe Project » Constructing an Astrolabe
http://www.astrolabeproject.com/constructing-an-astrolabe
An obsession in progress. There are two ways to approach this. What I refer to as the “Desktop Model” and the “Hand-held Model” The desktop version mounts the parts of the astrolabe on a square of foam board, with the front and back of the astrolabe side by side. This is the easiest way of constructing it, and allows you to swap out plates simply to play with variations. The zip archive created by the Astrolabe Generator. Or the demo archive ( demoastrolabe.zip. 1/2 inch Foam board or similar for mounting.
ASTROLABE: Chart Services Index
http://astrolabe.co/chartservice/chtsvcindex.html
Skip to main content. Astrolabe Report Writer Software. JigSaw 2.2 - For Research. Placidus and Ancient Astrology. Software Downloads and Updates. Tech Support: Knowledge Base. Tech Support: Submit A Ticket. Astrolabe Horoscope Report and Chart Services. All About Your Future. All About Your Relationships. In addition to our own Astrolabe Report System offerings, we also provide chart calculations. And third-party reports from Astro*Intelligence. And Kno-U Numerology Profiles. The Isabel Hickey Report.
ASTROLABE: Chart Services Index
http://www.astrolabe.biz/chartservice/chtsvcindex.html
Skip to main content. Astrolabe Report Writer Software. JigSaw 2.2 - For Research. Placidus and Ancient Astrology. Software Downloads and Updates. Tech Support: Knowledge Base. Tech Support: Submit A Ticket. Astrolabe Horoscope Report and Chart Services. All About Your Future. All About Your Relationships. In addition to our own Astrolabe Report System offerings, we also provide chart calculations. And third-party reports from Astro*Intelligence. And Kno-U Numerology Profiles. The Isabel Hickey Report.
The Astrolabe Project » Archive » Advanced Astrolabe Functions: Estimating the direction to Mecca.
http://www.astrolabeproject.com/10/03/2014/advanced-astrolabe-functions-estimating-the-direction-to-mecca
An obsession in progress. Advanced Astrolabe Functions: Estimating the direction to Mecca. Comments Off on Advanced Astrolabe Functions: Estimating the direction to Mecca. There are two scales to be found on the back of a typical astrolabe of the region that can help with this problem. Estimating the Qibla using the Sine/Cosine scale. It is possible to get a rough estimate of the qibla direction by using the Sine/Cosine scale to be found on the back of many astrolabes[5]. To use this scale the user m...
The Astrolabe Project » Astrolabes General
http://www.astrolabeproject.com/category/astrolabesgeneral
An obsession in progress. Comments Off on Simulators. One of the problems with learning to use an astrolabe is that in order to work through the class notes the student needs to first print out and assemble their own astrolabe from the provided materials. This takes time and materials that may not be ready to hand. What I’ve wanted to do for a […]. Introducing the Advanced Astrolabe. Comments Off on Introducing the Advanced Astrolabe. Advanced Astrolabe Functions: Estimating the direction to Mecca. I got...
Spherical Cow | Let No One Ignorant of Geometry Enter Here | Page 2
https://spherecow.wordpress.com/page/2
Let No One Ignorant of Geometry Enter Here. The Author, and Dedication. Newer posts →. October 27, 2010. UPDATE: I am quite honored to state that this post has been endorsed by the man who defined Vampire Numbers, Clifford A. Pickover:. Musings on Vampire Numbers in mathematics. https:/ spherecow.wordpress.com/2010/10/27/vampire-numbers/. Mdash; Cliff Pickover (@pickover) October 29, 2010. Tremble ghouls and boos: It’s a Spherical Cow Halloween! Aye, the very children of the night! Vampires numbers becau...
The Astrolabe Project » Archive » Deconstructing the Sine Quadrant-Part 1: Introduction
http://www.astrolabeproject.com/26/01/2014/deconstructing-the-sine-quadrant-part-1-introduction
An obsession in progress. Deconstructing the Sine Quadrant-Part 1: Introduction. Comments Off on Deconstructing the Sine Quadrant-Part 1: Introduction. The development of mathematics and the sciences through-out the medieval period spawned a range of clever, elegant tools for observation and computation. Devices such as the Armillary Sphere. Are familiar sights in the art of both Europe and the Middle East; but lesser known are a class of tools known as quadrants. Here [ SineQuadrant.pdf. Along each stra...
The Astrolabe Project » Archive » Deconstructing the Sine Quadrant-Part 6: Summary and sources
http://www.astrolabeproject.com/04/03/2014/deconstructing-the-sine-quadrant-part-6-summary-and-sources
An obsession in progress. Deconstructing the Sine Quadrant-Part 6: Summary and sources. Comments Off on Deconstructing the Sine Quadrant-Part 6: Summary and sources. The previous installments in this series can be found here:. Printable example Sine Quadrant. In the last 5 installments we have broken down the various parts and functions of the sine quadrant. I’ve now come to the end of what I currently know. So here are some references if you wish to dig deeper. But first some questions I still have:.
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Luxury Private Accommodation Abel Tasman National Park Nelson New Zealand | Astrolabe Retreat,
Astrolabe - Private Accommodation near Abel Tasman National Park, New Zealand. Overlooking Abel Tasman National Park, New Zealand. Welcome to Astrolabe at Split Apple. Abel Tasman National Park luxury accommodation located at the entrance of the park. Astrolabe offers luxury accommodation. Specifically built and furnished for the most discerning guest. Astrolabe is set in native forest above the sea providing private beach access and stunning views of the Abel Tasman National Park. Astrolabe was built by...
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Astrolabes
Vous êtes sur la page : Accueil. Ingéniosité et beauté, sont les caractéristiques de cet instrument vieux de plus de 2000 ans. A l'époque du GPS et de l'horloge atomique, l'astrolabe n'a plus sa place? A voir. Admirateurs de beaux objets, passionnés d'Histoire, contemplateurs du ciel, si vous voulez "tenir entre vos mains l'univers": tournez les pages de ce site, il s'adresse à vous. Astrolabe planisphérique moderne utilisable aujourd'hui*.
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The Astrolabe
We are sad to let you know that this website's owner, James E. Morrison, passed away in April 2016. We know how much many people were informed, educated and enlightened by his passion for astrolabes. We can't express enough how your interest touched him. Unfortunately, all correspondence to his email and postal mail addresses will remain unacknowledged. We are sincerely sorry for this and we apologize for any inconvenience. The website will continue in its present form for the forseeable future. To a spe...
Astrolabes and Such | Discussion About Novel Ways to Teach Science and History
Discussion About Novel Ways to Teach Science and History. Published in: Uncategorized on May 14, 2012 at 5:34 pm Leave a Comment. Astrolabe talk at Ignite #4: Slides with Transcript. The Astrolabe: The First Computer (or Hello World! My presentation at Ignite #4 in summer 2009:. Banter because I was following a hilarious but unplanned improv comedy set). I was very interested in Astronomy when I was very young…. And I had these great astronomy books that had pictures like this,. Go to slide 2). Had one o...
Astrolabe Sailing | Sailing, yachts, adventure and sailing around the world!
Sailing, yachts, adventure and sailing around the world! Thanks for visiting my blog. My name is Viki and my dream is to sail around the world! I have had this dream since I was a child, and about four years ago I decided to make it my ten year plan – aiming for a nice round number of the year 2020 which seemed a comfortable way off. However now its suddenly down to six years! What will we need to have on board? Where are we going to go when we get it and how about some more adventures in the mean time?
astrolabesandstuff.blogspot.com
Astrolabes and Stuff
Wednesday, 21 December 2016. How short is the shortest day? As you probably know, Yule (Jól) was the pagan Nordic celebration of the bleak midwinter. And it's the winter solstice today - the shortest day of the year. What does that mean? From it (or directly towards it if you're reading this in Madagascar). Notice that the first explanation I just gave - and the word solstice. They published this morning. Of course you know that the winter days are shorter in Aberdeen than they are in Aberystwyth - so at...
Astrolabe for sale. The astrolabe shop proposes the biggest choice of astrolabes in the United States.
Astrolabe, astrolabes, astrolabe for sale, working replicas directly from astrolabeshop.com. The Product Families :. Lacquered Metal or Brass. 11 astrolabes from 80 to $350. Dual map: 2 maps. 5 globes from 130 to $350. 2 spheres from 190 to $430. 6 articles from 150 to $400. An astrolabe is a very ancient astronomical computer for solving problems relating to time (what time is it? And the position of the Sun and stars in the sky. This is done by drawing the sky on the face of the astrolabe. All our astr...
