Diedrich Uhlhorn

Medal Diedrich and Johann Heinrich Uhlhorn (son of D.):
“On the completion of the 200th minting machine in 1876 /
To commemorate the D:Uhlhorn invention of the lever-operated minting machine in 1817”
(Wittig, Grevenbroich 1876, 41,5 mm, gilt bronze)

Uhlhorn was an engineer, mechanic and inventor, who invented in 1817 the first mechanical tachometer.^[1][2] Between 1817 and 1830 he was inventor of the Presse Monétaire (level coin press known as Uhlhorn Press) which bears his name.^[3] He was married.^{[citation needed]}

• Order of the Red Eagle^{[citation needed]}