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Hermann von Helmholtz & diagram of eye

  • DBP_1994_1752_Hermann_von_Helmholtz.jpg
Short desc: Hermann von Helmholtz & diagram of eye


Things in this design:
person Hermann von Helmholtz
symbol diagram of eye

This design is used by one stamp:
Germany 9/8/1994 100(pf) issue=Hermann von Helmholtz death 100th






Record of changes


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