Fifty-year existence of the Society for Physics Sciences in Groningen, founded by theodoor van Swinderen. Silver medal. Front: nature, imagined as image of Diana of Ephese with Globe in right hand and in left-hand moon, is under palm tree; To her feet: cactus, rolled parchment, two books, pelican, coat of arms, winding hose, globe, telescope, galvanic battery, weighing device, distillation flask and melting pot inscription; decent; inscription; ; inscription inside to a wreath tied up olive and climbing face.

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Photo credit: © BTEU/RKMLGE / Alamy / Afripics
License: Licensed
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