Han Hoekstra

Han Hoekstra

Han Hoekstra
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Museum of the History of Science - free admission

Museum of the History of Science - free admission

Medieval Stone Sundial, English. 1250-1450? Made of sandstone. Museum of the History of Science, Oxford.

Medieval Stone Sundial, English. 1250-1450? Made of sandstone. Museum of the History of Science, Oxford.

"An early 18th century gilded oval pocket dial by Krigner. The dial, which is signed 'Krigner, Varsavia', has an automatic mechanism to set the dial for any given latitude from 40-60˚. The reverse is engraved with a long list of latitudes for eastern European, western European and Russian cities including Moscow, St Petersburg and Vienna. c.1700."

"An early 18th century gilded oval pocket dial by Krigner. The dial, which is signed 'Krigner, Varsavia', has an automatic mechanism to set the dial for any given latitude from 40-60˚. The reverse is engraved with a long list of latitudes for eastern European, western European and Russian cities including Moscow, St Petersburg and Vienna. c.1700."

Cadrans portatifs : diptyques de Nuremberg

Cadrans portatifs : diptyques de Nuremberg

Cadran solaire signé Markus Purmann daté 1590 - Cadrans solaires européens en argent et laiton - Antiquité Delalande

Cadran solaire signé Markus Purmann daté 1590 - Cadrans solaires européens en argent et laiton - Antiquité Delalande

Book shaped Sundial, 16th century. Brass. Germany. Palazzo Strozzi, Firenze, Exhbiition Galileo, 2009. Source

Book shaped Sundial, 16th century. Brass. Germany. Palazzo Strozzi, Firenze, Exhbiition Galileo, 2009. Source

Collections Search — Adler Planetarium

Collections Search — Adler Planetarium

“When I bought the house, it was totally uninhabitable.” −O’KeeffeRekindle the spirit of the American West with the sprawling Rancho Alegre in New Mexico See the faithful restoration of Georgia O'Keefe's Ghost Ranch Check out the Santa Fe adobe residence that converted a pair of New Yorkers into true desert dwellers

“When I bought the house, it was totally uninhabitable.” −O’KeeffeRekindle the spirit of the American West with the sprawling Rancho Alegre in New Mexico See the faithful restoration of Georgia O'Keefe's Ghost Ranch Check out the Santa Fe adobe residence that converted a pair of New Yorkers into true desert dwellers

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제주도의 꽃들... 제주도 전지역 꽃배달

제주도의 꽃들... 제주도 전지역 꽃배달