([Hauptwerk])
A late eighteenth-century German natural history work on shells, compiled by Christoph Ludwig Kämmerer and reworked by later editors, published in 1789 and held by Heidelberg University Library. Its hand-coloured plates show numbered shells drawn singly against pale grey-beige ground with soft cast shadows. A designer might take the simple, scientific specimen layout and the muted watercolour palette of ochre, cream and slate for vintage botanical-style graphics.
![Picture 1 of 11 from ([Hauptwerk]) (1789), leaf 76](https://img.insideoutlibrary.com/img/200/heidelberg-kaemmerer1789bd1-76-1.webp)
![Picture 2 of 11 from ([Hauptwerk]) (1789), leaf 335](https://img.insideoutlibrary.com/img/200/heidelberg-kaemmerer1789bd1-335-1.webp)
![Picture 3 of 11 from ([Hauptwerk]) (1789), leaf 335](https://img.insideoutlibrary.com/img/200/heidelberg-kaemmerer1789bd1-335-2.webp)
![Picture 4 of 11 from ([Hauptwerk]) (1789), leaf 337](https://img.insideoutlibrary.com/img/200/heidelberg-kaemmerer1789bd1-337-1.webp)
![Picture 5 of 11 from ([Hauptwerk]) (1789), leaf 339](https://img.insideoutlibrary.com/img/200/heidelberg-kaemmerer1789bd1-339-1.webp)
![Picture 6 of 11 from ([Hauptwerk]) (1789), leaf 341](https://img.insideoutlibrary.com/img/200/heidelberg-kaemmerer1789bd1-341-1.webp)
![Picture 7 of 11 from ([Hauptwerk]) (1789), leaf 343](https://img.insideoutlibrary.com/img/200/heidelberg-kaemmerer1789bd1-343-1.webp)
![Picture 8 of 11 from ([Hauptwerk]) (1789), leaf 345](https://img.insideoutlibrary.com/img/200/heidelberg-kaemmerer1789bd1-345-1.webp)
![Picture 9 of 11 from ([Hauptwerk]) (1789), leaf 349](https://img.insideoutlibrary.com/img/200/heidelberg-kaemmerer1789bd1-349-1.webp)
![Picture 10 of 11 from ([Hauptwerk]) (1789), leaf 351](https://img.insideoutlibrary.com/img/200/heidelberg-kaemmerer1789bd1-351-1.webp)
![Picture 11 of 11 from ([Hauptwerk]) (1789), leaf 353](https://img.insideoutlibrary.com/img/200/heidelberg-kaemmerer1789bd1-353-1.webp)