Two physical instruments, Funckler, c. 1857 - in or before 1867 photograph Above a magnetoelectric device, under a Ruhmkorf device. Netherlands paper. photographic support albumen print physics (+ tools, instruments; laboratory equipment ~ scientific research)
Size: 2756px × 4478px
Photo credit: © piemags/rmn / Alamy / Afripics
License: Licensed
Model Released: No
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