Johann Wilhelm Dilich (1600 – 1657) worked between 1628 and 1657 as an engineer and master builder in Frankfurt am Main.

Born in Kassel, we was the son of master builder Wilhelm Dilich [ de]. ^[1] He used instruments made by the imperial instrument maker Erasmus Habermehl (died in 1606 in Prague). Dilich had uniform leather cases produced for these devices:

• Octagonal vertical sundial signed "Erasmus Habermehl fecit 89"
• Conversion plate with slide signed "Erasmus habermehl"
• Octagonal vertical sundial signed "E.H.fecit"
• Theodolite signed "Erasmus Habermehl"
• Round vertical sundial

• Peribologia oder Bericht Wilhelmi Dilichij Hist: Von Vestungsgebewen Vieler orter, as well as with native reasons and published by Johannem Wilhelmum Dilichium, Frankfurt 1640
• Peribologia Seu Muniendorum Locor[um] Ratio Wilhelmi Dilichii, Edita Sumptus Et Typos Suppedi Tante Joanne Wilhelmo Dilichio F: Architecto, Frankfurt 1641
• Kurtzer Unterricht Wie auff Unterschiedene Arten mann einen fürgegebenen Platz Fortificiren kan, Frankfurt 1642
• His drawings of the Frankfurt fortress were kept in the city archive and were lost during the Second World War.

• Tobias Büchi: Das Festungsbuch Wilhelm & Johann Wilhelm Dilichs, in Scholion 3, 2004, p. 187-190.

Wikimedia Commons has media related to Johann Wilhelm Dilich.

• Literature by and about Johann Wilhelm Dilich in the German National Library catalogue