Ørholm

Ørholm is a locality on the Mølleåen river in Lyngby-Taarbæk Municipality in the northern suburbs of Copenhagen9, Denmark. Ørholm Watermill has a history that dates back to at least the 15th century but the current industrial buildings were constructed after fires in 1886 and 1913. Ørholm House, a residence dating from the mid-18th century, is privately owned and heritage listed. Ørholm Station is located on the Nærum Railway and is served by the railway company Lokaltog.

The watermill is mentioned in the Roskilde Bishop's Census Book (Roskildebispens Jordebog) from the 1370s as molendinum Ørewaz while the locality at this point was known as Ørevad. The suffix -vad means ford. The name Ørholm is first documented in 1670 in the form Øerholmen. The watermill was originally a grain mill but was adapted for use in the production of gunpowder in 1558. The mill was owned by the crown and was modernized in the 1620 with inspiration from the Netherlands.

In 1653, Ørholm was sold to Herman Isenberg. He was obliged to provide the state with all needed supplies of gunpowder but could also sell to private customers. The gunpowder was stored in a gunpowder magazine at Copenahgen's Nørreport city gate and was for instance used in the defence of the city during the Assault on Copenhagen The watermill changed several times over the next fifty years. Albrecht Heins, who also owned Lundtofte, owned Ørholm from 1670–72. Peder Griffenfeld, who was a personal friend of Heins as well as of several of the other owners, was a frequent visitor to the place. In 1716, an explosion resulted in the death of two workers and the loss of 300 kg of gunpowder.

In 1724, Ørholm was acquired by royal coppersmith Poul Badstuber who already owned the operations at Brede and Nymølle. He nadapted Ørholm for use in the production of copper and iron goods. In 1742, Badstuber had to sell Ørholm in auction. The buyer was

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