I-Basic Collection

A collection of simplified scientific instruments´ reproductions: smallest sizes or basic materials  

I-Basic Collection There are 18 products.

I-Basic Collection

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  • In the 16th century the astrolabe reached the peak of its popularity.  The Spanish astronomer and mathematician Juan de Rojas presented to the European public the Orthographic Projection (1550). This projection was successfully applied in a new type of astrolabe that offered remarkable advantages over its predecessors because it could be used in any...

  • From the Greek “star searcher” this instrument was introduced in Europe by the Arabs.  It became a vital tool for astronomers, astrologers and surveyors. Among other calculations one can establish the height of the Sun, the planets and the stars, determine time and Latitude, measure heights, calculate distances and astrological implications. Both sides...

  • It is a simplified planispherical astrolabe whose final shape came as a result of the experience of navigators. By measuring the altitude of the stars you obtain the Latitude. This Portuguese marine astrolabe (1550-55) was owned by a Dundee skipper, A. Smyton. The original is at the Art Gallery and Museum of Dundee, Scotland. Both sides of medal are...

  • Known as the Astronomic Ring Dial Annulus Astronomicus , the complete name of this instrument is the Universal Equinoctial Ring Sundial. It works on the same principle as the Universal Equatorial Solar Quadrant. This portable instrument can be used to make astronomical measurements and tell time in all Latitudes. Both sides of medal are identical. Non...

  • This vertical disc dial has two sides: an altitude sundial and a perpetual calendar, which is the one depicted.  The calendar consists of three rotatable discs set on top of the main disc with a date scale and a lunar age scale among other features. Made in France (1650-1700), is at the National Maritime Museum, London. Both sides of medal are...

  • French portable horizontal dial (circa 1800), shell-shaped, was made for 50º latitude. On the hour scale, the hour lines radiate from the Sun’s face. In the center, there was a circular hole for the missing gnomon. The original, made of copper, is at the National Maritime Museum, Greenwich, London. Both sides of medal are identical. Non funtional item....

Showing 13 - 18 of 18 items