The first optical instruments: astronomical bezel by Johannes Kepler invented around 1615. Anonymous illustration from 1925. Private collection.(The first optical instruments: astronomical bezel by Johannes Kepler (Keppler) (1571-1630) invented around 1615. Anonymous illustration from 1925. Private collection.)Anonymous Anonymous |
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Undated · Engraving
· Picture ID: 918271
colour · colours · engraving · physical · knowledge · optical · human · meaning · history · astronomy · eyesight · learned · astronomical bezel · bianchetticor · Private Collection / Bridgeman Images |
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