(Born: Dorfen, Bavaria, Germany, 26 August 1764; Died: Munich, Bavaria, Germany, 7 April 1817) German theologian & naturalist.

Petzl received an advanced degree in philosophy in 1783 and became a Deacon of the Johanniter Order. From 1790 until 1799, he lived in Malta. In 1803, he was transferred to Alten-Oetting in Bavaria, and in 1804, Petzl was made professor of physics and natural history at the Lyceum in Munich. He was elected a member of the Munich Academy of Science in 1802.

Biographical references: DBA: I 947, 168-170; II 998, 126-127. • Poggendorff: 2, col. 421. • WBI.

1. German, 1807 [First edition].
Vorbereitende Oryktognosie zum Gebrauche seiner mineralogischen Vorlesungen am hiesigen königlichen Lizeum herausgegeben vom Kommenthur und Prof. Petzl ... München, Lentner, 1807.

8°: [6], 241 p. Rare.

Bibliographical references: BL [no copy listed]. • LKG: IX 30.

Mineralogischen Sammlungen, 1814

2. German, 1814 [Collection catalog].
Ueber | den gegenwärtigen Zustand | der | mineralogischen Sammlungen | der | königlichen Akademie der Wissenschaften | nebst | vorhergehender geschichtlicher Darstellung von ihrem Entstehen an | bis zum gegenwärtigen Zeitpunkte. | [ornate rule] | Eine Vorlesung | zur | Feyer der fünf= und fünfzigsten Wiederkehr | des Stiftungstages | der | königl. baier. Akad. der Wissenschaften, | in der öffentlichen Versammlung derselben am 28. März 1814 | gehalten | von | Joseph Petzl, | Johanniter=Ordens Kommenthur, Akademiker und Professor. | [wavy rule] | München, | gedruckt bey Franz Seraph Storno.

4°: 28 p.

Rare. A work giving a detailed account of donations and collections which had formed the mineralogical cabinet of the Munich Academy of Science up to 1814. Among those listed are Karl Theodor of the Pfalz, Moll, Cobres, Dolomieu, Schreber and Hausmann. Also included are descriptions of the collections arrangement including details of the most important pieces. \Amueller

Bibliographical references: BL [T.965.(17.)]. • Murray, Museums, 1904 [no copy listed].

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