{"title":"Frontpage","description":null,"products":[{"product_id":"astrolabe-l-h-v-10","title":"Planisferic Astrolabe L.H.V. 10","description":"\u003cp\u003eAstrolabes date from the time of Ptolemy and the name in Greek means \"Star Searcher.\"\u003c\/p\u003e\n\u003cp\u003ePlanispheric (Catholic or European) astrolabe. Stars updated. Set for 50.5º latitude. Specially developed by Hemisferium with classic Renaissance design. \u003c\/p\u003e\n\u003cp\u003eIt is a tool for astronomers, astrologers, and surveyors widely used until the 17th century.\u003c\/p\u003e\n\u003cp\u003eThis beautifully crafted instrument of brass with companion wood base will delight and intrigue. \u003cspan\u003eThe wooden base is ideal for placement of a commemorative plaque in recognition of achievement or an event.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMax Height: 4.72\"\u003c\/p\u003e\n\u003cp\u003eDiameter: 3.94\"\u003c\/p\u003e\n\u003cp\u003eThickness: 0.28\" \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hemisferium","offers":[{"title":"Default Title","offer_id":15346632515,"sku":"9990800832","price":114.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/0382\/products\/H32a.jpg?v=1453837521"},{"product_id":"equatorial-ausburg-sundial","title":"Equatorial Ausburg Sundial","description":"\u003cp\u003eSundial (equatorial universal dial). German origin. Augsburg style. From 18th century.\u003c\/p\u003e\n\u003cp\u003eThe detail in this sundial is exquisite. Based on the 18th-century design of German goldsmith Johann Georg Vogler this well-reproduced sundial will ornament any office, living room, or den.\u003c\/p\u003e\n\u003cp\u003eFashioned of brass and wood featuring a compass embedded in the base, this is an excellent executive gift for the history fan in your life.\u003c\/p\u003e\n\u003cp\u003eHeight: 3.94\"\u003c\/p\u003e\n\u003cp\u003eBase: 3.94\"\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hemisferium","offers":[{"title":"Default Title","offer_id":15347262723,"sku":"9990800830","price":104.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/0382\/products\/H30_AUSBURGO.jpg?v=1453838365"},{"product_id":"astronomic-ring-dial","title":"Astronomic Ring Dial","description":"\u003cp\u003eAlso known as the Universal Equinoctial Ring Sundial, this instrument is used to determine Solar time. The ring dial, the armillary, or dials indicate the principal circles of the heavenly sphere: the meridian, the equator, and the solstice meridian. \u003c\/p\u003e\n\u003cp\u003eSundial. Portable universal (all latitudes) sundial. Universal Equatorial Solar Quadrant. One of most popular sundials of 17th \u003c\/p\u003e\n\u003cp\u003eThis beautiful replica is fashioned of brass and features a wooden base. \u003cspan\u003eThe wooden base is ideal for placement of a commemorative plaque in recognition of achievement or an event.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAlso available in necklace version strung on cord and miniature desk model.\u003c\/p\u003e\n\u003cp\u003eDiameter: 3.94\"\u003c\/p\u003e\n\u003cp\u003eThickness: 0.16\"\u003c\/p\u003e","brand":"Hemisferium","offers":[{"title":"Default Title","offer_id":15524685251,"sku":"9990800821","price":99.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/0382\/products\/H21_ANILLO_ASTRONOMICO.jpg?v=1454001921"},{"product_id":"hanging-astronomic-ring-dial","title":"Hanging Astronomic Ring Dial","description":"\u003cp\u003eMiniature astronomical ring dial. Height sundial. 17th and 18th century.\u003c\/p\u003e\n\u003cp\u003eAlso known as the Universal Equinoctial Ring Sundial, this instrument is used to determine Solar time. The ring dial, the armillary, or dials indicate the principal circles of the heavenly sphere: the meridian, the equator, and the solstice meridian. \u003c\/p\u003e\n\u003cp\u003eThis beautiful miniature replica is fashioned of brass and hung on a cord.\u003c\/p\u003e\n\u003cp\u003eAlso available in miniature and larger desk models\u003c\/p\u003e\n\u003cp\u003eDiameter:1.77\"\u003c\/p\u003e\n\u003cp\u003eThickness: 0.16\"\u003c\/p\u003e","brand":"Hemisferium","offers":[{"title":"Default Title","offer_id":15524810243,"sku":"9990800890","price":49.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/0382\/products\/H90_COLGANTE_ANILLO_ASTRONOMICO_CARA_A.jpg?v=1454002279"},{"product_id":"gunters-quadrant","title":"Gunter's Quadrant","description":"\u003cp\u003eLocal Solar Quadrant with Nocturnal dial on the back. Made after two English originals of Gunter type quadrants of 18th-century, which are on display at the Greenwich Maritime Museum.\u003c\/p\u003e\n\u003cp\u003eOn the front, the instrument presents a local height quadrant furnished with a pinule system for establishing the sun's height.\u003c\/p\u003e\n\u003cp\u003eOn the backside, there is a nocturnal, like those used by ancient sailors to place the brightest circumpolar stars and aid their nightly observations.\u003c\/p\u003e\n\u003cp\u003eThis piece is fashioned of brass and comes complete with wooden stand, cotton plumb line with brass pearl and booklets explaining use and history. \u003cspan\u003eThe wooden base is ideal for placement of a commemorative plaque in recognition of achievement or an event.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHeight: 6.99\"\u003c\/p\u003e\n\u003cp\u003eWidth: 9.91\"\u003c\/p\u003e\n\u003cp\u003eThickness: 0.28\"\u003c\/p\u003e","brand":"Hemisferium","offers":[{"title":"Default Title","offer_id":15796987139,"sku":"9990800839","price":124.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/0382\/products\/H39_CUADRANTE_DE_GUNTER_CARA_A.jpg?v=1454439140"},{"product_id":"lunar-calendar-tidal-abacus","title":"Lunar Calendar \u0026 Tidal Abacus","description":"\u003cp\u003ePerpetual Moon phases calendar with a tidal abacus on the back. Based on British Reinassence instruments.\u003c\/p\u003e\n\u003cp\u003eThis Instrument was conceived to address the need to predict the time of tidal changes. It draws on the intimate association with the rotation of the moon, which influences the tides as it rotates around the earth.\u003c\/p\u003e\n\u003cp\u003eThe Tidal Abacus, or calculator, is employed to predict the time of tidal changes.\u003c\/p\u003e\n\u003cp\u003eIn order to develop this piece, various instruments from the sixteenth and seventeenth centuries were studied, including astronomical compendiums, volvelles, and abacuses.\u003c\/p\u003e\n\u003cp\u003eFashioned of Brass and complete with wooden base and booklets on historical context and use.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMax Height: 6.38\"\u003c\/p\u003e\n\u003cp\u003eDiameter: 4.72\"\u003c\/p\u003e\n\u003cp\u003eThickness: 0.28\"\u003c\/p\u003e","brand":"Hemisferium","offers":[{"title":"Default Title","offer_id":15797366019,"sku":"9990800838","price":94.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/0382\/products\/H38_CALENDARIO_LUNAR_CARA_A.jpg?v=1454440145"},{"product_id":"eastern-astrolabe-key-ring","title":"Eastern Astrolabe - Key Ring","description":"\u003cp\u003eMiniature Oriental astrolabe. Scale significantly reduced (very complex instrument in this size could be used to learned its parts and basis of use. A real expert could play more). Set for 22º lat.\u003c\/p\u003e\n\u003cp\u003eThe name\u003cem\u003e astrolabe\u003c\/em\u003e comes from the Greek \u003cem\u003eastro, \u003c\/em\u003emeaning \"star\" and \u003cem\u003elabio, \u003c\/em\u003ewhich means \"one who seeks\" \u003c\/p\u003e\n\u003cp\u003eFor the star seeker in your life, an Astrolabe would be a fine gift.\u003c\/p\u003e\n\u003cp\u003eThis instrument is based on the eastern astrolabe now in the collection of the Adler Planetarium in Chicago made by the famous craftsman Diyal'al Din Muhammad in 1647. It is fashioned of brass and comes complete with booklets explaining its use and historical context.\u003c\/p\u003e\n\u003cp\u003eDiameter: 1.77\"\u003c\/p\u003e\n\u003cp\u003eThickness: 0.2\"\u003c\/p\u003e","brand":"Hemisferium","offers":[{"title":"Default Title","offer_id":15838690691,"sku":"9990800892","price":34.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/0382\/products\/H92_LLAVERO_ASTROLABIO_ORIENTAL_CARA_A.jpg?v=1454524156"},{"product_id":"urania-proitia-sundial-compass","title":"Urania Propitia   Sundial Compass","description":"\u003cp\u003e\u003cspan\u003eBased on a 16th century Astronomical Compendium, beautifully crafted, and exquisitely detailed, the Urania Propitia compass is a wonderful pocket size curiosity that will delight as well decorate an office or den.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIn the style of the compendiums, inside the casing of Renaissance character, there is a sundial of folding gnomon, mounted on a compass.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBeautifully crafted of Brass complete with booklets explaining use and historical context\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHeight: 1.1\"\u003c\/p\u003e\n\u003cp\u003eDiameter: 3.31\"\u003c\/p\u003e","brand":"Hemisferium","offers":[{"title":"Default Title","offer_id":15889283843,"sku":"9990800845","price":109.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/0382\/products\/H45_Urania_Propitia_a.jpg?v=1454610650"},{"product_id":"cardan-compass","title":"Cardan Compass","description":"\u003cp\u003eNautical or Marine compass with Cardan system. Cardan: plate moves freely as with the sea waves.\u003c\/p\u003e\n\u003cp\u003eThe Cardan or marine compass is a nautical instrument whose use was fundamental in the development of navigation and cartography.\u003c\/p\u003e\n\u003cp\u003eThis exquisite instrument features the compass set in a gimbal with the two rings divided into 360 degrees. The gimbal is also called a Cardan after the Italian mathematician who developed this method of leveling the instrument at sea in the 15th century. The interior of the lid is decorated with a compass rose and the top of the lid is decorated with a marine scene.\u003c\/p\u003e\n\u003cp\u003eThe compass is crafted of a wooden base with brass lid. \u003c\/p\u003e\n\u003cp\u003eHeight: 2.36\"\u003c\/p\u003e\n\u003cp\u003eDiameter: 3.94\"\u003c\/p\u003e","brand":"Hemisferium","offers":[{"title":"Default Title","offer_id":15945749059,"sku":"9990800843","price":114.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/0382\/products\/H43_BRUJULA_CARDAN_TOMA_CENITAL_ABIERTA.jpg?v=1454697347"},{"product_id":"altitude-ring-dial-miniature-desk-model","title":"Altitude Ring Dial - Miniature - Desk Model","description":"\u003cp\u003eMiniature sundial, Height sundial. From 16th-17th centuries.\u003c\/p\u003e\n\u003cp\u003eThis dial is a solar altitude clock.  It takes ts name because the parameter of its construction is based on the altitude of the Sun. \u003c\/p\u003e\n\u003cp\u003eThe dial is composed of a circular band perforated by two offsetting symmetrical holes through which the sun rays pass and are projected as a small elongated spot of light on the hourly line etched on the interior of the dial.\u003c\/p\u003e\n\u003cp\u003eCrafted of brass comes complete with wood base and display hook. Accompanied with booklets of use and historical context.\u003c\/p\u003e\n\u003cp\u003eAlso available in corded hanging model\u003c\/p\u003e\n\u003cp\u003eHeight: 5.12\"\u003c\/p\u003e\n\u003cp\u003eDiameter: 1.5\"\u003c\/p\u003e\n\u003cp\u003eWidth: 0.83\"\u003c\/p\u003e\n\u003cp\u003eThickness: 0.12\"\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hemisferium","offers":[{"title":"Default Title","offer_id":15986283587,"sku":"9990800886","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/0382\/products\/H87.jpg?v=1454795715"},{"product_id":"beringers-quadrant","title":"Beringer's Quadrant","description":"\u003cdiv align=\"justify\"\u003eThis beautiful portable cube sundial is based on the work of 18th-century scientist David Beringer of Nuremberg Germany. This model is a reproduction of a mobile cubic quadrant that dates back to 1736. It is made up of an articulated arm, which allows us to incline the cube in a North-South direction, and a plumb line on the eastern side that moves along a graduated scale and can be used to adapt the instrument to the latitude of the measure.\u003c\/div\u003e\n\u003cdiv align=\"justify\"\u003e\u003c\/div\u003e\n\u003cdiv align=\"justify\"\u003eClassic office sundial. It´s a Universal dial (used on all latitudes). German origin. From the end of 18th century.\u003c\/div\u003e\n\u003cdiv align=\"justify\"\u003e \u003c\/div\u003e\n\u003cdiv align=\"justify\"\u003e\u003c\/div\u003e\n\u003cdiv align=\"justify\"\u003eThis instrument is crafted of wood and brass with cotton plumb lines and articulated stem with a compass in the base.\u003c\/div\u003e\n\u003cdiv align=\"justify\"\u003e\u003c\/div\u003e\n\u003cdiv align=\"justify\"\u003e\u003c\/div\u003e\n\u003cdiv align=\"justify\"\u003eHeight: 7.48\"\u003c\/div\u003e\n\u003cdiv align=\"justify\"\u003e\u003c\/div\u003e\n\u003cdiv align=\"justify\"\u003eWidth: 5.51\"\u003c\/div\u003e","brand":"Hemisferium","offers":[{"title":"Default Title","offer_id":16214966403,"sku":"9990800826","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/0382\/products\/H26.jpg?v=1455216313"},{"product_id":"hartmanns-astrolabe","title":"Hartmann's Astrolabe -","description":"\u003cp\u003e\u003cspan\u003ePlanispheric (Catholic or European) astrolabe, set for 50º North latitude. Stars and other features updated to make it functional. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis beautiful astrolabe  is based on the work of  Georg Hartman a sixteenth-century astronomer from Nuremberg, Germany.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe astrolabe is an astronomical calculating device used from ancient times into the eighteenth century. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt's used by measuring the height of a star using the back of the instrument, and knowing the latitude, one could find the time of night and the position of other stars.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e The openwork piece on the front, called the rete, is a star map of the northern sky. Pointers on the rete correspond to stars; the outermost circle is the Tropic of Capricorn, and the circle that is off-center represents the zodiac, the apparent annual motion of the sun. Engraved plates that fit below the rete have scales of altitude and azimuth (arc of the horizon) for specific latitudes. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCrafted of brass with a wooden base this instrument comes complete with booklets on its use and historical context. \u003cspan\u003eThe wooden base is ideal for placement of a commemorative plaque in recognition of achievement or an event.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMax Height:7.09\"\u003c\/p\u003e\n\u003cp\u003eDiameter: 5.91\"\u003c\/p\u003e\n\u003cp\u003eThickness: 0.29\"\u003c\/p\u003e","brand":"Hemisferium","offers":[{"title":"Default Title","offer_id":16215616131,"sku":"9990800837","price":199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1055\/0382\/products\/H37_ASTROLABIO_DE_HARTMANN_CARA_A.jpg?v=1455218120"}],"url":"https:\/\/www.zaytounaljundi.com\/collections\/frontpage.oembed","provider":"Zaytoun AlJundi","version":"1.0","type":"link"}